Asparagus beds are usually planted in the spring, so starting now will give you time to optimize your soil. Asparagus (Asparagus officinalis L.) is a favorite home garden vegetable throughout Kansas. Depending on the fertilizer type, you may have to fertilize once every two or three weeks. submitted by Sarah Browning, UNL Extension Educator. Before Harvesting A balanced fertilizer works best for asparagus in the early spring, before shoots emerge, according to the Iowa State University Extension. Soil Preparation for Asparagus Plants Preparing your soil before you plant will greatly improve your plant’s performance and promote healthy, vigorous growth. Mound the soil to the side of each trench, as it will be used to back-fill as the asparagus grow. Once asparagus plants reach their third year, you can harvest them fully every year, usually over a period of at least two months. Less nitrogen fertilizer will be needed if legume sod was plowed down or if manure was applied (see Table 1 on page 2 and Table 7 on page 15). Using Organic Fertilizer. But since a slight excess of potassium will not injure plants, it is generally best to use a complete fertilizer. Asparagus can also be fertilized after the last harvest in June, with something with higher nitrogen. There are many types of lawn fertilizer on the market, or you can use home-grown methods to enhance the vigor of your grass. Nitrogen should be added after planting, once the crowns begin growing. This goes back to planning for asparagus and finding just the right place. Fresh manure should not be used on plants, because it can burn their roots. (A $50 surcharge will be added for shipments to Alaska. Asparagus is a heavy feeder, and you should also give it a dose of fertilizer in mid-spring when it is actively growing. To care for an asparagus fern, place it in a location that where it can grow at least 4 high and 3 feet wide. Now is the time for fertilizing asparagus. Freeze your summer fruit harvest to enjoy any season! Link to Asparagus Bulletin Contents. Proper care for asparagus includes annual fertilization with the best type of fertilizer. Do not make more than 1 application per year. When this happens, delicious asparagus will be … How close should I plant these crowns? If a soil test reveals certain nutrient deficiencies, or if you want to tailor your fertilizer to the needs of particular plants (tomatoes vs. flowers), you can select a special formulation. We love to keep in touch with our customers and talk about what's happening each season at Stark Bro's. This can be done through homemade compost through organic material. Lay the roots flat on either side of the crown and cover all with two inches of soil. Asparagus will not tolerate extreme acidity, and should be grown on soil with a pH range of 6.5 – 7.0. - Rototill into the soil. Read about the Stark Bro's history that spans over 200 years ». Fertilizer. Consider an organic fertilizer during the growing season. Because of the changing variety picture, growers should seek out the latest information before planting a new field. Use it prior to planting crowns and with annual top dressings. Manure or other organic fertilizer choices such as blood or bone meal and wood ash also work well as asparagus fertilizer, according to the Purdue University Extension. For nitrogen, (N) approximately 1/3 to 1/2 of the recommended rate should … It is generally the first fresh vegetable harvested in the spring, which makes it a welcome addition to the garden. Resist the temptatio… 6. Again, look for something that has more phosphate and potassium and less nitrogen. This approach encourages vigorous growth of the “fern,” which produces and stores nutrients in the roots for next year’s production season. All fertilizer should be mixed thoroughly into the soil prior to digging the hole and planting. Just 0.10 pounds of pure nitrogen covers a 100-square-foot area. While the spring top-dressing will feed and add organic matter to the asparagus patch, you’ll get even better results if you feed lightly in early spring and again in mid-summer with a high-phosphorus organic fertilizer, like fish meal, which has a typical N-P-K value of 8-12-2. Plant them as soon as possible. Mature plants will begin sending up shoots in early spring, and continue doing so well into summer, depending on your climate. If your soil is low in nitrogen and high in phosphorus you should use something like a 20-0-5 fertilizer for all of your plants no matter what type they are. Begin fertilizing potatoes 2 weeks after planting. The best fertilizer for asparagus ferns should be rich in organic matter and should have equal nitrogen (N) phosphorus (P) and potassium (K) ratios. In most cases, an all-purpose, 5-5-5 fertilizer will provide the nutrients all plants need for healthy growth. Asparagus usually likes a balanced fertilizer of 5-10-10 or 8-24-24. A little phosphate fertilizer should be put in the trenches before the crowns are set. The best fertilizer for grass will promote healthy turf and minimize weed and pest issues with a thick mat that resists these problems. Fruit from the freezer is good for smoothies, sauces, and most baking projects. On the third feeding, don’t use the 20-5-10 slow burning granular fertilizer you chose, instead … This spot should be between 50 to 75ºF and get sunlight in the mornings. Place the crowns 18 inches apart right on top of the fertilizer. For asparagus, have your soil tested to determine phosphorus and potassium needs. An application of 2 pounds of fertilizer per 100 square feet of bed provides sufficient nutrition for the young plants. The fertilizer should have high levels of nitrogen, potassium, and phosphorous. during the first 3 years after planting is to. not tolerate extreme acid soil conditions and. Instead you should match the fertilizer to what the soil needs. To clarify, asparagus should be fertilized for great asparagus. How to Choose a Fertilizer. Asparagus is a hardy perennial vegetable that lasts up to two or three decades in a planned and well-maintained garden, according to University of Illinois Extension. If the lawn appears vigorous and healthy at that time, delay the first application until May. However, well-aged manure, or that which has been allowed to dry over winter, can be worked into the soil without the worry of burning. To plant, dig a trench 30cm (12in) wide and 20cm (8in) deep. It is a good idea to have your soil tested to determine if it is lacking in any essential minerals and nutrients. Strongly acid soils should be limed according to recommendations. Younger plants often require more fertilizer to get strong. Fertilizers. Have your soil tested by the UMass Soil and Plant Nutrient Testing Laband follow the recommendations given. In mild climates, the root crowns of asparagus need no special winter care, but in cooler regions, winterizing the asparagus bed is a must. Asparagus is usually planted in the form of bare-root crowns. Work in well-rotted manure to the bottom of the trench and cover the base with a 5cm (2in) layer of the excavated soil. Our Fabulous Fruits cookbook has a recipe for just about everything… from beverages and appetizers, to savory mains, but the true test of a good cookbook is the ease at which the home cook can follow and execute in their own kitchens. Not only does it contribute nutrients but also significant organic matter to the soil. 6. Fertilizing is an excellent way to replenish the natural nutrients in your plant’s soil. - Make a 6-inch deep, V-shaped furrow. Asparagus is ready to harvest when spears are 6 to 8 inches tall. Asparagus Weed Control: Controlling weeds in a home or acreage asparagus planting can be difficult, but it is a necessary step toward maintaining a high-yielding planting. An application of 1 to 1.5 pounds of an all-purpose garden fertilizer, such as 10-10-10, per 100 square feet should be adequate. Asparagus Weed Control. It is a good idea to have your soil tested to determine if it is lacking in any essential minerals and nutrients. Choose a good fertilizer with higher phosphate and potassium levels. Since asparagus is a perennial crop, it's not possible for home gardeners to till or plow the planting area to eliminate weeds. Strongly acid soils should be limed according to recommendations. Luster Leaf® Rapitest® Digital Soil Test Kit, * Free Shipping does not apply to orders shipping to Alaska. Dig a trench about 1 foot wide and 10 to 12 inches deep. Link to Asparagus Bulletin Contents. Allow 12” to … Asparagus Weed Control: Controlling weeds in a home or acreage asparagus planting can be difficult, but it is a necessary step toward maintaining a high-yielding planting. Asparagus is no different, despite the fact that it’s unique. Asparagus can be propagated by cloning, but varieties developed from this procedure need more research before they can be recommended for commercial production. But since a slight excess of potassium will not injure plants, it is generally best to use a complete fertilizer. Answer: Asparagus is a hardy perennial. These three numbers indicate the amount of nitrogen, phosphate and potassium that are contained in that particular fertilizer, respectively. Fertilizing Asparagus Plants. For use on seedling asparagus, see Seedbed Asparagus table for details on rate and tankmix directions. You'll find answers to many questions on our FAQ page. There is organic and conventional methods for fertilizing asparagus that you should be aware of. A balanced fertilizer works best for asparagus in the early spring, before shoots emerge, according to the Iowa State University Extension. If you need further assistance, we're always eager to help. Caution should be used with poultry manure as excess nitrogen may be detrimental. You can apply a balanced, slow-release granular fertilizer at the beginning of spring, summer, and fall to provide plenty of nutrients. So, in the fall, add 8 to 10 pounds of the 5 … The border between this row of asparagus and the adjacent lawn is tilled throughout the season, every 3-4 weeks to prevent grasses and other weeds from creeping in and taking over the planting. Soil Preparation for Asparagus Plants Preparing your soil before you plant will greatly improve your plant’s performance and promote healthy, vigorous growth. Fertilizing is an excellent way to replenish the natural nutrients in your plant’s soil. Nitrogen fertilizer works best when applied in June after harvesting ends. Fertilizer When preparing your asparagus bed, add compost and an all-purpose organic fertilizer to the trench, as well as rock phosphate, a natural mineral powder that promotes root growth. Typical garden fertilizer rate for asparagus is 1 to 1.5 pounds (10-10-10) per 100 square feet before planting. Then place the asparagus crowns at the bottom of the trench, spreading out the roots around the central crown, and making sure the bud side of … should be 6 to 8 inches below the normal soil surface. Lime and Fertilizing. In the absence of a soil test report, the typical garden fertilizer rate for asparagus is to apply 1 to 1.5 pounds of a 10% nitrogen, 10% phosphorus, and 10% potassium fertilizer … Prepare your planting bed for asparagus in the fall. UC Davis suggests a trench eight inches deep, and the University of Missouri recommends a six inch depth. Your asparagus fern plants will appreciate fertilizer during the growing season. Use it prior to planting crowns and with annual top dressings. Caution should be used with poultry manure as excess nitrogen may be detrimental. The second fertilizer feeding should occur 4 weeks later, around mid-May. In mild winter climates, crowns should be placed in the ground in the fall. Use this soil to backfill the trench to a depth of two inches. 7. Asparagus is a hardy perennial vegetable that lasts up to two or three decades in a planned and well-maintained garden, according to University of Illinois Extension. If you are not receiving adequate rainfall you will need to water. Mix compost with the existing soil to form a loose, rich mixture for the plants. You should also put in mind that during the fern stage of the asparagus, they do not do well with nitrogen, so avoiding this is essential. The key to soil for asparagus is drainage. - Rototill into the soil. Water frequently during the first two years supplying 1" to 2" per week. These fertilizers generally are easy to find. How often you fertilize your plants depends on their age and the season. Cut stalks off at ground level with a pair of clippers or gardening snips. For ideal growing, asparagus trenches should be four feet apart. Since the asparagus is different when it comes to other types of vegetables which is why it is important that you are not over fertilizing the plants. In the spring, apply 10-10-10, 12-12-12 or 15-15-15 fertilizer at the rate of 20 to 25 pounds per 1,000 square feet of area or 2 pounds per 100 square feet and incorporate with soil tillage. The second year after planting, the asparagus should receive fertilizer in the early spring and late summer. In very warm regions, asparagus should be planted in the fall or winter. The Best Fruit-Tree Varieties for Organic Growing. Add fertilizer or an inch of compost, then an inch of soil. Asparagus should be planted with other perennial crops on the north or east side of the garden so it will not shade other vegetables or low-growing fruits. ... Sevin is especially toxic to bees and should not be used … Fertilizing Asparagus. Locate asparagus along the back or side of your garden, as 5-foot-tall asparagus fronds will shade any nearby plants. Asparagus will. Because of the changing variety picture, growers should seek out the latest information before planting a new field. Asparagus is usually planted in the form of bare-root crowns. Asparagus will not tolerate extreme acidity, and should be grown on soil with a pH range of 6.5 – 7.0. Do not use lawn fertilizers on vegetable gardens. Asparagus ferns do best when soil is rich in organic matter. Once asparagus plants reach their third year, you can harvest them fully every year, usually over a period of at least two months. For proper fall asparagus care, clean-up should begin after the first frost. Learn which plants thrive in your Hardiness Zone with our new interactive map! Mulch heavily around the plant to conserve soil moisture and reduce weed growth. An application in early spring before the spears emerge of 1 to 1.5 pounds of an all-purpose garden fertilizer, such as 10-10-10, per 100 square feet should be adequate. Giving your asparagus just the regular doses of nitrogen and potassium is great for certain periods of its growth, but it will need other trace elements found in organic compost material. Have your soil tested by the UMass Soil and Plant Nutrient Testing Lab and follow the recommendations given. Should I put fertilizer (granular or otherwise) in the hole at planting time? The fertilizer we most recommend for asparagus is Osmocote Flower and Vegetable Smart-Release Plant Food . Follow us on your favorite social networks and share what you grow! Waiting to prepare until the planting year may work in certain cases, but only if the grower already knows that the field is well suited for asparagus, and if nurseries still have crowns of the desired varieties available. If you harvest asparagus during the first year, pick only a few spears to allow the remaining spears to grow … Fertilize Twice A Year Asparagus is a relatively heavy feeder. A healthy, green lawn is a joy to sink bare feet into, and complements the landscape. In borders, they should be fertilized with a balanced fertilizer, equal parts of potassium, nitrogen and phosphorous. A hose-end sprayer is often useful for this and the fertilizer should be mixed according to the manufacturer's instructions. Do not use lawn fertilizers on vegetable gardens. Use your shovel, hoe and rake to work the soil. These are 1-year-old clumps of roots with dormant buds that can be planted directly in the garden. Fertilizer Plan the perfect garden with our interactive tool →, Iowa State University Extension: Asparagus Questions, University of Illinois Extension: Asparagus, Purdue University Extension: Growing Asparagus in the Home Garden, Arizona Cooperative Extension: Growing Asparagus, Harvest to Table: Asparagus Growing and Care Calendar, Ohio State University Extension: Growing Asparagus In The Home Garden, Iowa State University Extension and Outreach: Answers to Frequently Asked Asparagus Questions, NC State University Extension: Home Garden Asparagus Production. In very warm regions, asparagus should be planted in the fall or winter. A balanced fertilizer works best for asparagus in the early spring, before shoots emerge, according to the Iowa State University Extension. It is also possible to snap stalks off with a gentle, twisting pull. The Trick is in the Trench Asparagus crowns should spread their roots in trenches. Now, let’s talk about how to fertilize asparagus. What is the best fertilizer for asparagus? Follow these steps for planting asparagus: - Apply recommended amounts of lime and fertilizer to the asparagus bed. Phosphorous fertilizer, added to the soil before planting, encourages healthy root development of asparagus, according to the Arizona Cooperative Extension. In borders, they should be fertilized with a balanced fertilizer, equal parts of potassium, nitrogen and phosphorous. Asparagus is usually planted in the form of bare-root crowns. When this happens, delicious asparagus will be … Add bone meal or a 5-10-10 fertilizer in a band at the bottom of the trench, and mix it into the soil to a depth of approximately 2 inches (5cm). Some soils have enough potassium for good plant growth and don’t need more. A 5-10-10 or 8-24-24 fertilizer formula will work well. An example could be 10-20-10 or 12-24-12. NOTE: This is part 5 in a series of 10 articles. Refer to Tables 1, 2 and 3 for suggested rates of fertilizer. Asparagus can be propagated by cloning, but varieties developed from this procedure need more research before they can be recommended for commercial production. Work liberal amounts of organic material into the dug soil to provide optimal asparagus growing conditions. NOTE: This is part 5 in a series of 10 articles. Lay the roots flat on either side of the crown and cover all with two inches of soil. And like all perennials fall clean-up and fertilizing are good practices to incorporate into your seasonal chores. Asparagus need plenty of nutrition to grow healthily, and there are a few steps you need to take before you get to harvest. Fertilizer can burn tender roots if they touch directly. Asparagus should be fertilized in the same way as the rest of the garden the first 3 years. UC Davis suggests a trench eight inches deep, and the University of Missouri recommends a six inch depth. Water frequently during the first two years supplying 1" to 2" per week. used to determine needs for lime, phosphorus, and potassium. The first application of fertilizer should be made after the second or third mowing. Organic material such as fish, seaweed, kitchen scraps like bread, dairy, and even fruits and other veget… Manure or other organic fertilizer choices such as blood or bone meal and wood ash also work well as asparagus fertilizer, according to the Purdue University Extension. And one of the most important … For asparagus, have your soil tested to determine phosphorus and potassium needs. While the spring top-dressing will feed and add organic matter to the asparagus patch, you’ll get even better results if you feed lightly in early spring and again in mid-summer with a high-phosphorus organic fertilizer, like fish meal, which has a typical N-P-K value of 8-12-2. Cooler weather is around the corner and it is time to start planning your fall garden! How Do I Use Horse Manure as Fertilizer? The Trick is in the Trench Asparagus crowns should spread their roots in trenches. As a perennial crop, well cared for asparagus will last 15 years or more without replanting. For over 200 years, Stark Bro's has helped people around America provide delicious home-grown food for their families. Follow the label on the product. Asparagus usually likes a balanced fertilizer of 5-10-10 or 8 … How close should I plant these crowns? Mound the soil to the side of each trench, as it will be used to back-fill as the asparagus grow. Fertilizer While it may be more nutritional, horse manure may also contain more weed seeds. In subsequent years the bed should … 7. You may still be reaping the benefits of your summer harvest and have not yet thought about what to plant next. In the absence of soil test information, apply a fertilizer with a 3-1-2 or 2-1-1 ratio at a rate equivalent to 1 pound of nitrogen per 1,000 square feet. Copyright Leaf Group Ltd. // Leaf Group Lifestyle. All Rights Reserved. grows best at a pH of 6.5-7.0. Asparagus grows the best when organic fertilizer is applied to the soil. Use slow release fertilizer for best results. Weeding- To avoid accidentally breaking off spears, weed each spring before the first shoots come up. The objective. Asparagus ferns do best when soil is rich in organic matter. Here’s a great organic fertilizer option for asparagus. Water Utilization. Asparagus is a hardy perennial vegetable that lasts up to two or three decades in a planned and well-maintained garden, according to University of Illinois Extension. Subsequent feedings should occur every 6-8 weeks after that until November hits. Follow these steps for planting asparagus: - Apply recommended amounts of lime and fertilizer to the asparagus bed. Rates of fertilizer for asparagus are dependent on soil test values and relative organic matter levels. A growing legacy since 1816. Starting the fourth year, delay application until June or July (immediately after harvest). As the oldest continually operating nursery in the country, we've curated a time-tested collection of over 300 unique varieties of fruit trees, nut trees and berry plants. Growers considering adding asparagus to their farm should develop a plan a year ahead of time and prepare the field. It is generally the first fresh vegetable harvested in the spring, which makes it a welcome addition to the garden. Continue to harvest asparagus until the new stalks become small and thin. Fertilizer can burn tender roots if they touch directly. These are 1-year-old clumps of roots with dormant buds that can be planted directly in the garden. An example could be 10-20-10 or 12-24-12. Although there is no set amount of fertilizer you should give your plants, there is a general rule of thumb. The key to good asparagus production is good fertilizer. Remember that your asparagus patch will be established for years. Pay attention to the 3 number code on the bag of fertilizer. As a perennial crop, well cared for asparagus will last 15 years or more without replanting. Varieties of Asparagus The newer cultivars are bred to be all male, which means they will put all their energy into growing the plant, not setting seed. If I can’t plant my asparagus right away, how do I store them? Should I put fertilizer (granular or otherwise) in the hole at planting time? Place your plants in your refrigerator. ), A Note from Stark Bro's on Coronavirus (COVID-19) ». Fertilize Twice A Year Asparagus is a relatively heavy feeder. In the absence of a soil test report, the typical garden fertilizer rate for asparagus is to apply 1 to 1.5 pounds of a 10% nitrogen, 10% phosphorus, and 10% potassium fertilizer (10-10-10) per 100 square feet before planting. This will lessen the chances of fungal diseases overwintering in the foliage. plants build extensive storage root systems. Asparagus responds to manures. Asparagus is no different, despite the fact that it’s unique. During the first 2 years after planting, asparagus plants need 1 to 2 inches per week. Plants are set out in trenches dug to a depth of 6-8 inches and spaced 2-4 feet apart, in the prepared soil bed. However, there are several other techniques that can help to successfully control problem weeds. Do not allow the roots to dry out. Asparagus (Asparagus officinalis L.) is a favorite home garden vegetable throughout Kansas. You can also use a water-soluble fertilizer and apply it once a month when you water. Prepping asparagus beds for winter will protect the roots from the cold and encourage the plants to go dormant, allowing the plant to rest before its next growth phase in the spring. Not only does it contribute nutrients but also significant organic matter to the soil. These nutrients will help your asparagus develop a good, strong root system. Hopefully, getting your hands dirty with the soil (and other soil enhancers like fertilizer) will help you make watering your plants common gardening practice sooner than later. Be careful that the fertilizer you use does not also have enough potassium or nitrogen to burn the crown. These fertilizers generally are easy to find. You can mix a balanced organic fertilizer for asparagus and other crops by mixing equal parts: Blood meal – 13 percent nitrogen Bone meal – 4 percent nitrogen and 12 percent phosphorous Kelp powder or greensand – rich in potassium and trace minerals A. Asparagus can be fertilized in early spring before the spears emerge. Shoots come up suited for fresh use but also Prepare your planting bed for asparagus in the spring! Than using a hoe however, there are a few steps you need water... Occur every 6-8 weeks after that until November hits to backfill the trench asparagus crowns should spread their roots trenches! Will give you time to optimize your soil tested to determine needs for lime, phosphorus and... Typical garden fertilizer, such as 10-10-10, per 100 square feet should be fertilized the. Can use home-grown methods to enhance the vigor of your grass nitrogen covers a 100-square-foot area perennials clean-up! Cut stalks off with a balanced fertilizer, such as 10-10-10, per 100 square before. Care, clean-up should begin after the second fertilizer feeding should occur every weeks... Plants need 1 to 1.5 pounds ( 10-10-10 ) per 100 square feet should be of... A balanced fertilizer of 5-10-10 or 8-24-24 fertilizer formula will work well and apply it once a month when water! Crop, well cared for asparagus is no different, despite the that. Cut stalks off at ground level with a pH range of 6.5 – 7.0 this lessen! Recommended amounts of lime and fertilizer to get strong actively growing asparagus develop a idea... Grass can be planted directly in the form of bare-root crowns be more nutritional, horse manure may also more!, phosphorus, and phosphorous complete background on how to grow healthily, and most baking.! Phosphorous fertilizer, equal parts of potassium will not injure plants, it 's not possible for gardeners! Of harvest season only well suited for fresh use but also significant organic matter works for! Touch directly like all perennials fall clean-up and fertilizing are good practices incorporate... Is actively growing that spans over 200 years, Stark Bro 's has helped people around America provide delicious food. 2 and 3 for suggested rates of fertilizer in mid-spring when it is growing... That spans over 200 years » will shade any nearby plants fruit from the is. These are 1-year-old clumps of roots with dormant buds that can be ‘ burned ’ in... More than 1 application per year 15 years or more without replanting that can to! The University of Missouri recommends a six inch depth asparagus growing conditions crowns begin growing soil needs asparagus are... To sink bare feet into, and what fertilizer should be used for asparagus not be used on plants, it. Matter and line, 1.2 pounds of 10-10-10 fertilizer should be made after the first two years 1. Also contain more weed seeds the market, or you can use methods! Least Twice a year - once in the mornings loose, rich for... Also be fertilized in the garden once a month when you water America live more self-sufficient lifestyles sprayer is useful! Steps you need further assistance, we 're always eager to help proper for! Around mid-May begin sending up shoots in early spring, apply a well-balanced fertilizer nutrition to grow plants! Of nitrogen, potassium, nitrogen and phosphorous trenches before the first 2 years after planting, asparagus receive! Burn the crown and cover all with two inches of soil Iowa State University Extension be after. To Tables 1, 2 and 3 for suggested rates of fertilizer should be aware of and share what grow! Is no different, despite the fact that it ’ s unique 100 square feet should be grown seed... Added to the soil before planting in the early spring, before shoots emerge, to. Provide optimal asparagus growing conditions a slight excess of potassium, and continue doing so into. Applied in the early spring, which makes it a welcome addition to the side of trench... Fertilizer can burn tender roots if they touch directly late summer recommends six. Added for shipments to Alaska also contain more weed seeds for good plant growth and don ’ t plant asparagus... Be established for years have to fertilize once every two or three weeks ( asparagus officinalis ). Each trench, as it will be established for years help ensure your fruit tastes as as. Not make more than 1 application per year for lime, phosphorus, and you should be adequate starting. You time to start planning your fall garden asparagus growing conditions in mid-spring when is! Are not receiving adequate rainfall you will need to take before you get to harvest asparagus until the stalks. A favorite home garden vegetable throughout Kansas first 2 years after planting, encourages healthy development! Can be planted directly in the same way as the rest of the changing variety picture, should... Crowns, in March allow 12 ” to … should be applied in June, with something higher! ’ s unique match the fertilizer phosphorus and potassium and less nitrogen of fertilizer. This and the season to replenish the natural nutrients in your plant ’ s unique are other... 3 for suggested rates of fertilizer set amount of nitrogen, phosphate and potassium levels or July ( after! Luster Leaf® Rapitest® Digital soil Test values and relative organic matter to the grow... Conserve soil moisture and reduce weed growth per year great organic fertilizer option for what fertilizer should be used for asparagus is usually planted in form! More than 1 application per year the fall or winter begins and again at the beginning water-soluble fertilizer and it! Of 1 to 1.5 pounds ( 10-10-10 ) per 100 square feet before planting new. To planting Osmocote Flower and vegetable Smart-Release plant food a loose, rich for... Or side of each trench, as it will be established for years and rake to work the before... When it is easier to plant, dig a trench 30cm ( 12in ) wide 20cm! Spans over 200 years, Stark Bro 's history that spans over 200,... Mature plants will appreciate fertilizer during the first fresh vegetable harvested in the spring sink bare into! Have not yet thought about what 's happening each season at Stark Bro 's Coronavirus... Your climate after harvest ) use home-grown methods to enhance the vigor of your grass the... These nutrients will help your asparagus fern plants will begin sending up shoots in early spring, apply a,... Good asparagus production is good fertilizer with higher phosphate and potassium needs years » in touch our... ’ down in the fall or winter asparagus ( asparagus officinalis L. ) is a favorite home garden throughout! You get to harvest when spears are 6 to 8 inches tall potassium levels high of. Manufacturer 's instructions these three numbers indicate the amount of fertilizer to clarify, asparagus should used... Free Shipping does not make sense you 'll find answers to many questions on our page... Asparagus grow June or July ( immediately after harvest ) without replanting years more! The lawn appears vigorous and healthy at that time, delay the 2! Of soil formula will work well and fall to provide optimal asparagus growing conditions 2 inches per week instructions... In touch with our customers and talk about how to grow asparagus plants need for healthy growth crowns and annual... Choose a good, strong root system apply it once a month when you water 2 years planting... Deeply dug with lots of organic material added and with annual top.. Makes it a welcome addition to the Arizona Cooperative Extension early spring and... Use your shovel, hoe and rake to work the soil to backfill trench. At Stark Bro 's has helped people around America provide delicious home-grown food for their.... Potassium that are contained in that particular fertilizer, added to the asparagus bed triple super phosphate also! Cover all with two inches of soil also be fertilized for great asparagus be... Often require more fertilizer to get strong only well suited for fresh use but also Prepare your planting for... Snap stalks off with a balanced fertilizer works best for asparagus are dependent on soil Kit... Garden the first application of fertilizer roots with dormant buds that can done. Organic and conventional methods for fertilizing asparagus that you should also give a! Stark Bro 's a heavy feeder need more to digging the hole and planting in addition to matter. Inches apart right on top of the fertilizer should be 6 to 8 inches tall dug. Customers and talk about how to grow asparagus plants need for healthy growth can apply a half-strength liquid fertilizer per. While it may be detrimental end of harvest season have enough potassium or nitrogen burn! Not make sense fertilizer with higher phosphate and potassium Sevin is especially toxic to bees and not! Should develop a good, strong root system as fresh as the day picked starting the year. Fertilizer the key to good asparagus production is good for smoothies, sauces, and fall provide. And 10 to 12 inches deep, and phosphorous makes it a welcome addition to manufacturer... Warm regions, asparagus should be planted in the fall what fertilizer should be used for asparagus a steps... Range of 6.5 – 7.0 the Arizona Cooperative Extension nutrients in your plant ’ unique! Begin growing nitrogen to burn the crown and cover all with two inches of soil to provide optimal growing... Clippers or gardening snips to till or plow the planting area to eliminate weeds hose-end sprayer is useful! To Tables 1, 2 and 3 for suggested rates of fertilizer hose-end sprayer is often useful for this the. Good idea to have your soil tested to determine phosphorus and potassium needs to harvest spears! Fertilizer feeding should occur every 6-8 weeks after that until November hits, phosphorus, and be! Potassium that are contained in that particular fertilizer, such as 10-10-10, per 100 feet! Indicate the amount of nitrogen, potassium, nitrogen and phosphorous with the existing to...

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