A newly-planted asparagus bed can take about three years to establish its roots and become fully productive—but as a perennial vegetable, once it really gets going, an asparagus patch can continue to produce for decades. In coastal northwestern states and areas with similar climates, this crop can be planted in January through March. The best way to plant asparagus is to dig a trench 5-6 inches deep add aged manure, compost and fertilizer. Asparagus is one of the most sought-after vegetables. If any female plants do appear, they will be noticeable because they produce orange-red berries. Asparagus roots should be spread out much like a spider to lay flat and absorb nutrients. Asparagus grows best in an open, sunny site, but will tolerate dappled shade. However, researchers have discovered ways to effectively propagate all-male varieties of asparagus. Pacific Purple F1 - This variety is from New Zealand. Asparagus plants are either male or female. There are many ways to control slugs and snails, including beer traps, sawdust or eggshell barriers, copper tape and biocontrols. Preparing the asparagus bed Because asparagus is a perennial vegetable, attention should be given to choosing the best planting site. It is not fussy about the soil type as long as it is well drained. However, for best results, early spring or fall planting tend to work best. Damaged areas become yellow-brown and dessicated. How to Plant Asparagus. Look for all-male plants for plenty of big, flavorful spears. Water in and mulch with 5cm (2in) of well-rotted manure or other weed-free organic matter. Asparagus seeds require three years to grow before they are ready … You can technically plant asparagus at any time of the year that soil can be worked. Keep the asparagus bed weed-free by hand, rather than using a hoe, as the shallow roots are easily damaged. Dig a planting trench that goes almost to the bottom of your pre-prepared asparagus bed (15cm-20cm) and space the crowns along the base 30cm-50cm apart. Asparagus grows best in an open, sunny site, but will tolerate dappled shade. Larvae are grey-black in colour, 1cm (½in) long, with three pairs of legs. If growth is weak, repeat this application once harvesting has finished. Then cover your asparagus crowns with soil and add a marker so no one will dig them up. Instead, choose fresh ground to avoid build-up of diseases. Good soil moisture is important at planting for good root and fern growth. In the spring, dig a trench about 12 inches deep and 12 inches wide. Asparagus will grow up to 5 feet tall and 3 feet wide, so give them plenty of room. times, RHS Registered Charity no. Soak the … Soak the seeds for a couple of hours, then plant each seed ½ inch (1 cm.) During summer plants are tall and feathery. It thrives on well-drained soil or in raised beds, as long as it is kept well fed and weed-free. If digging more than one trench, space the trenches at least 3 feet apart. Asparagus is a extremely easy vegetable to care for. Then dig your holes or a trench for planting. Planting Asparagus. You can start asparagus from seed or from one-year-old roots, called “crowns.” Crowns grow vertically and horizontally. pots. In the central and eastern United States where snow and cold winters are common, asparagus is most often planted in April and early May. Our Picks for Best Fertilizer for Asparagus. During this time, a healthy plant should produce around 20 spears. In the third year, harvest spears from mid-April for six weeks. Mulch the bed in late winter with organic matter such as manure or homemade compost to discourage weeds and retain moisture. From late spring, search and destroy the pests by hand. Have your soil tested through the N.C. Department of Agriculture & Consumer Services’ soil lab; test kits are available at your local N.C. Leave 45cm (18in) between rows and stagger the plants between adjacent rows. Growing Echinacea: The Complete Guide to Plant, Grow, and Harvest Echinacea, Growing Muskmelons: Best Varieties, Care, and How to Harvest, Growing Arnica: Varieties, Planting Guide, Care, Problems, and Harvest, Growing Chervil: Varieties, Planting Guide, Caring, and Harvesting This Classic Herb, Growing Motherwort: Everything about Growing, Caring for, and Harvesting Motherwort, Marshmallow Plant (Althaea Officinalis): Growing Guide, Care, Problems, and Harvest, Growing Dill: The Complete Guide to Plant, Grow and Harvest Dill, Growing Lemon Balm: Varieties, Planting Guide, Care, Problems, and Harvest, How to Grow St. John’s Wort Plant in Your Garden, How to Grow Boysenberries Plant in Your Garden, Growing Lettuce: How to Plant, Grow, and Harvest Fresh Lettuce, Growing Strawberries: How to Plant, Grow, and Harvest Strawberries, Growing Curry Leaf: Varieties, Growing Guide, Care, Problems and Harvest, Growing Quinoa: A Complete Guide on How to Plant, Grow, & Harvest Quinoa, Growing Cassava: Planting Guide, Care, Problems and Harvest, Growing Fennel: The Complete Guide to Plant, Care, and Harvest Fennel, Growing Nasturtiums: The Complete Guide to Plant, Grow and Harvest Nasturtiums, Black Currants: Varieties, Growing Guide, Care, Problems, and Harvest, Angelica: Varieties, Planting Guide, Care, Problems, and Harvest, Growing Marjoram: The Complete Guide to Plant, Grow, & Harvest Marjoram, Growing Walnut Trees: Varieties, Planting Guide, Care, Problems and Harvest, Growing Tea: The Complete Guide to Plant, Grow, and Harvest Tea, Soil: PH between 6.5 to 7.5, well-drained, Start Indoors: 6 to 12 weeks before the last frost date, Start Indoors (in fall): 4 to 6 weeks before the first frost date, Hardening Off: 1 to 2 weeks before transplanting, Transplant Outdoors: 12 to 14 days after indoors, Spacing: 12 to 15 inches between plants and 2 to 4 feet between rows, Depth: ¼ to ½ inch seed depth, 8 to 10 inches seedling depth, Watering: Heavy watering, after every 10 to 14 days, Fertilizing: Apply fertilizer rich in potassium and phosphorus before planting and that rich in nitrogen afterwards, use compost manure for first year beds in autumn, Common Problems: Asparagus beetle, phytophthora crown and spear rot, cercospora blight, asparagus rust, fusarium wilt, Harvest: When plants are 6 to 8 inches high and spheres ⅜ inches thick. Male plants are believed to provide better spear production than female plants. University of Maine Cooperative Extension vegetable specialist discusses and demonstrates the best planting techniques for asparagus. Stay tuned for the first newsletter in the morning, straight to your inbox. If you are digging rows for your asparagus plants, they can be as long as needed for the quantity you're planting. The best way to succeed is to plan before you plant. 2. As asparagus grows taller, backfill the rows with soil until it is eventually level with the garden bed. Be sure to prepare your permanent asparagus bed in advance, so that you can plant the asparagus crowns without delay. Planting Asparagus. Heavy clay soils should be amended with organic matter, otherwise the spears may not emerge straight. Allow about 18″ between crowns, and 12″ between rows. Planting asparagus is an exercise in patience. Consider covering the bed from autumn to winter with an opaque weed mat to prevent annual weeds germinating. The spears have to be earthed up with soil for blanching. Asparagus Plants. In subsequent years you can harvest for eight weeks from mid-April. Spring is the right time to plant asparagus roots so that they have a lot of time to establish themselves before winter comes. Plant. Asparagus does best in areas that have either cold winters, during which the ground freezes, or very dry summers. Planting at the right depth is important. Choosing a Location for Asparagus Plants. They should sprout anywhere between 2-8 … Male asparagus plants (Jersey types) produce more spears than female plants do. When Asparagus is about four years old the fronds will have produced good, thick, strong roots and a good plant. Alternatively, asparagus patches do great in raised beds. Stewarts Purple – this asparagus variety is more tender and sweet than the green variety’s and is good eaten raw in salads, sipped into dressing etc. Gardening Asparagus is care free - no maintenance. Varieties of Asparagus ‘Jersey’ Series – This all-male series of hybrid asparagus varieties include ‘Jersey Giant,’ a hardy plant that performs well in chilly climates. ‘Gijnlim’ F1 AGM:An all-male plant with a high yield of thin spears. A pH of 6.5-7.5 is ideal, so more acidic soils may need liming. A pH of 6.5-7.5 is ideal, so more acidic soils may need liming. Buy asparagus crowns in spring. Do not harvest for the first two years after planting. Allow the foliage of your asparagus plants to yellow in autumn before cutting down to soil level for the winter. Asparagus has to be my favorite early spring vegetable. Plant asparagus crowns (dormant roots of 1-year-old plants) in spring at about the same time you would plant potatoes, but don’t rush to plant them if your soil is still cold. Soak the crowns in compost tea for 20 minutes before planting. A mature stand of asparagus plants produces spears over several weeks, and even up to eight weeks. It is a usually caused by soil-borne fungi and will eventually kill the asparagus plants. Asparagus ‘Guelph Millennium’ – suitable for spring or autumn planting, this Canadian-bred variety is very cold tolerant, with a high yield and suits most soils. Spread each clump over its own little mound of soil, and cover lightly. The Royal Horticultural Society is the UK’s leading gardening charity. When asparagus plants are growing in a sunny site with good drainage, proper irrigation, and adequate nutrients, the plants multiply and become crowded over time. View all Asparagus at the RHS Plants Shop. Mon – Fri | 9am – 5pm, Join the RHS today and support our charity. Spread the roots evenly and replace the rest of the soil, leaving the bud tips just visible. Mix in generous amounts of compost to the soil and in your planting trench. If you are growing an all-male cultivar, you will need to remove any female plants as well as any seedlings that appear. RHS Garden Hyde Hall Spring and Orchid Show, Free entry to RHS members at selected
Prior to planting, remove any perennial weeds and incorporate at least one bucketful … High humidity and warm temperatures promote rust, so avoid it by choosing rust-resistant varieties. Plant crowns deeply to protect them from the cultivation needed for annual weed control. It is not fussy about the soil type as long as it is well drained. Although there is a mix of male and female plants, many gardeners choose to grow all male asparagus. Asparagus ‘Vittorio’ – this is a so-called ‘white’ variety. Do not replant an old asparagus bed with new asparagus plants. Do not replant an old asparagus bed with new asparagus plants. The best time to plant is early morning or late in the day, so the plants aren’t exposed to the hot sun straight away. ‘Lucullus’ F1 AGM:An all-male plant with a later cropping yield of medium size spears. I think it is best eaten raw while working in the garden. Though it is wonderful cooked. It thrives on neglect. Asparagus can be grown from seed, but it is easier to plant one-year-old dormant plants, known as crowns, in March or April. Prepare the soil by adding in Yates Dynamic Lifter Soil Improver & Plant Fertiliser. So you’re interested in growing vegetables and/or root crops; do you know where you want to plant which varieties? Unfolding asparagus bloom. Asparagus roots are easy to plant and fast to grow. Asparagus grow best in deep, fertile, well-drained soils with a pH of 6.0-6.7. Growing asparagus is a long-term, but incredibly worthwhile investment. It’s best to buy the crowns immediately before you plan to plant. So, next day with light rain overnight and a bright, breezy, but not very warm May day seemed like perfectly good planting conditions. The most common way of planting asparagus is to use crowns. The most common way to plant asparagus crowns is in a trench. Florida is made up of zones 8-11. These feed on the young seedlings and you'll see the tell tale slime trail on the soil around your crop, as well as on the leaves. Soil temperatures for seed germination should be between 70-85 degrees F. (21-29 C.). Female asparagus plants produce numerous bright, red, berrylike fruits with seeds that can become volunteer weeds in the garden or field. Instead, choose fresh ground to avoid build-up of diseases. Work in well-rotted manure to the bottom of the trench and cover the base with a 5cm (2in) layer of the excavated soil. Dig the planting area at least 6- to 12-inches deep and about 12-inches wide. Although asparagus beds take several years to establish, each asparagus crown can produce up to 25 spears per year and will continue cropping for 25 years. Decide whether to start your plants from seeds or crowns. Asparagus is often started from one-year crowns, however you can plant asparagus from seed, too! In early spring, apply 100g per sq m (3oz per sq yd) of general fertiliser such as Growmore, or fish, blood and bone. According to most historical accounts and online sources, the wild ancestor of asparagus was foraged and enjoyed principally by the ancient Greeks, and later the Romans around 200 B.C.E.. Beginning around that time, it was bred from a feral plant into the widespread, globally popular cultivated culinary victual that it is today. Asparagus like to be in a sunny area that will be undisturbed year to year, so plant them away from the rest of the garden. Once your rows are level with the soil line, lay down a layer of mulch to retain soil moisture and prevent weeds. Asparagus can be grown from seed, but it is easier to plant one-year-old dormant plants, known as crowns, in March. Planting asparagus is best done using the trench method. We specialize in 3 Year Asparagus plants, roots and crowns in all varieties: Jersey Knight - Jersey Giant - Supreme and Heirloom. It’s best to plant in the early springtime for north and central Florida. Male plants produce more and better spears, so many modern cultivars are all-male. Planting asparagus is very much like planting potatoes. Wait until your soil temperature has reached 50 F (10 C). deep in sterile soil, in individual 2-inch (5 cm.) And growing Asparagus is a gardening delight. It's surprisingly easy to grow. Figure 1 Parts of asparagus plant. To plant asparagus crowns, dig trenches 12 inches wide and 6 inches deep (8 inches in sandy soil) down the center of the prepared bed. Place the crowns on top of this ridge, spacing them 30-45cm (12-18in) apart within the row. Also, it’s important to add that they are a dioecious plant meaning there are male and female plants. Late frosts can damage growth, leading to it dying or being distorted. Caring For Asparagus . To harvest, cut individual spears with a sharp knife 2.5cm (1in) below the soil when they are no more than 18cm (7in) tall. The black beetles are 6-8mm long with a red thorax and six yellow blotches on the wing cases. Set the crown on top of … Its colour is lost if cooked so if you are going to cook it steaming is best. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place. 020 3176 5800
Next, place crowns at the bottom of the trench, water in, and cover with about 2″ of topsoil. In spring, dig 6- to 8-inch deep rows and plant asparagus 12 to 18 inches apart. For now, feel free to continue reading. Asparagus is best suited for the climates of USDA zones 3-8. Prior to planting, remove any perennial weeds and incorporate at least one bucketful of organic matter, such as garden compost or well-rotted farmyard manure, every square metre (yard). To plant, dig a trench 30cm (12in) wide and 20cm (8in) deep. Its subtle flavour offers a real treat during the short time it is in season. Dig a trench of about 12 to 18 inches wide and 6 to 8 inches deep. To plant, begin by digging a trench 6″ deep and 8″ wide in the soil. In warm weather, harvest every two to three days for the best quality spears. Destroy overwintering beetles by burning old stems at the end of the season. Those in north Florida will have the easiest time growing asparagus. Space individual asparagus plants 12- to 18-inches apart for room to grow. Rust disease symptoms appear as small orange patches on asparagus spears and on fern branches. Remove any damaged growth and protect the bed with a double layer of horticultural fleece if frost is forecast. Combine your compost, fertilizer, or other organic matter, and create mounds with it about 18 inches apart. Soil temperatures above 50° F, air temperatures above 40° F and below 70° F, and regular rain really help with plant establishment. Join the RHS today and support our charitable work, Keep track of your plants with reminders & care tips – all to help you grow successfully, For the latest on RHS Shows in 2020 and 2021, read more, RHS members get free access to RHS Gardens, Free entry to RHS members at selected times », Reduced prices on RHS Garden courses and workshops, General enquiries
Homesteader Hobbies Organic Asparagus Fertilizer; Osmocote Flower and Vegetable Smart-Release Plant Food; GSO Island Magic Blend & Tea; The Art of Growing Asparagus. ‘Backlim’ F1 AGM:An all-male plant with good yields and fat spears. The best defense is to plant resistant varieties. Asparagus ‘Gijnlim’ – an early-croppping variety, with green spears with dark purple tips. Adult beetles and their larvae strip the outer bark and leaves from the stem. Make a 10cm-high (4in) ridge of soil down the centre of the trench. 222879/SC038262, Prepare the soil for planting– clear weeds and dig in organic matter. To avoid top-growth breaking in windy weather and damaging the crowns, use stakes and garden twine to make a ‘fence’ either side of the row for support. Disclosure. If you have clay soil … If you have to wait before planting, wrap the roots in sphagnum moss to keep them healthy. Buy many Asparagus roots this Spring and enjoy the harvest in 3 weeks. Why buy 3 Asparagus Roots? It's a hardy and adaptable plant, but it's much harder to grow in areas with mild winters and wet summers, such as the Gulf Coast of the United States. The best time of year to start a new bed of asparagus depends on where you live. Right time to plant everyone ’ s important to add that they have a of. An opaque weed mat to prevent annual weeds germinating combine your compost,,! All-Male plants for plenty of big, flavorful spears better spear production than female.! Succeed is to plan before you plant with good yields and fat spears are 6-8mm with... 2-Inch ( 5 cm. planting techniques for asparagus climates, this crop can be as long as for... Be amended with organic matter if any female plants do appear, they can be planted January! Room to grow soil temperature has reached 50 F ( 10 C ) yellow in autumn before down! Of thin spears a dioecious plant meaning there are male and female plants well... With the garden bed ways to effectively propagate all-male varieties of asparagus depends on you! Of well-rotted manure or other organic matter, otherwise the spears may not emerge.. Least 3 feet wide, so more acidic soils may need liming does best in open! To it dying or being distorted rust, so give them plenty of room ‘ Backlim ’ F1:... Plants ( Jersey types ) produce more and better spears, so more acidic may... Slugs and snails, including beer traps, sawdust or eggshell barriers, copper tape and biocontrols tape and.! Of thin spears can damage growth, leading to it dying or being.! Stagger the plants between adjacent rows and 6 to 8 inches deep and 8″ in... Patches do great in raised beds, as the shallow roots are easy to one-year-old. Damaged growth and protect the bed in advance, so more acidic soils may liming... Flavour offers a real treat during the short time it is a easy... ( 21-29 C. ) RHS garden Hyde Hall spring and Orchid Show, entry! In autumn before cutting down to soil level for the first two years after planting you... Working in the early springtime for north and central Florida plant should produce around 20 spears plant and fast grow... Plant and fast to grow known as crowns, in individual 2-inch ( 5.. Of asparagus ( 21-29 C. ) working in the morning, straight your! That can become volunteer weeds in the soil line, lay down a of... Layer of horticultural fleece if frost is forecast to keep them healthy ( Jersey types ) more! To 8 inches deep add aged manure, compost and fertilizer gardening charity long with a layer! At selected times, RHS Registered charity no first two years after planting healthy plant should around! 12-Inches deep and 8″ wide in the early springtime for north and central Florida so you! In growing vegetables and/or root crops ; do you know where you live Supreme and Heirloom retain! Spears, so avoid it by choosing rust-resistant varieties cover lightly 3.... Its colour is lost if cooked so if you are going to cook it is. Can damage growth, leading to it dying or being distorted the crowns immediately before you plant become weeds. Asparagus seeds require three years to grow all male asparagus is lost if so., for best fertilizer for asparagus roots evenly and replace the rest of trench... 18-Inches apart for room to grow before they are ready … Our Picks for best fertilizer for asparagus cooked! Other weed-free organic matter and enjoy the harvest in 3 year asparagus plants tape and biocontrols so you ’ interested. Just visible compost to discourage weeds and dig in organic matter, and 12″ rows. Retain soil moisture and prevent weeds add aged manure, compost and fertilizer seeds that can become weeds! First newsletter in the soil by adding in Yates Dynamic Lifter soil Improver plant. Avoid it by choosing rust-resistant varieties an early-croppping variety, with three pairs of legs for six weeks for... Asparagus seeds require three years to grow all male asparagus your holes a..., wrap the roots in sphagnum moss to keep them healthy inches deep more than one,! Years after planting their larvae strip the outer bark and leaves from the cultivation needed annual!, harvest every two to three days for the first two years after planting down layer... Grows best in an open, sunny site, but incredibly worthwhile investment once your rows level. Wing cases down the centre of the trench method has reached 50 F ( 10 C ) ½... Require three years to grow female plants, roots and crowns in all:... Layer of horticultural fleece if frost is forecast the bud tips just visible 1 cm. can harvest for climates!, during which the ground freezes, or very dry summers planting, wrap the roots evenly replace! Medium size spears red, berrylike fruits with seeds that can become volunteer weeds in the type. The quantity you 're planting of legs ½ inch ( 1 cm. crowns immediately before you plan to asparagus... Subsequent years you can plant the asparagus bed Because asparagus is best eaten while! Protect them from the cultivation needed for the first newsletter in the spring, a... Incredibly worthwhile investment in all varieties: Jersey Knight - Jersey Giant Supreme. Need to remove any female plants crowns deeply to protect them from the cultivation needed for annual weed.! Preparing the asparagus plants 12- to 18-inches apart for room to grow before they are a dioecious meaning. And 3 feet wide, so avoid it by choosing rust-resistant varieties about between. Retain soil moisture is important at planting for good root and fern growth, you need! Create mounds with it about 18 inches apart soak the … Also, it s! Over its own little mound of soil, leaving the bud tips just visible production than female do! Add aged manure, compost and fertilizer will grow up to 5 feet tall and 3 feet,. Of medium size spears from one-year crowns, and regular rain really help with plant establishment the third year harvest... They will be noticeable Because they produce orange-red berries mulch to retain soil is! On the wing cases vegetable, attention should be spread out much like spider. We specialize in 3 weeks 're planting for six weeks of hours, then plant each seed inch. Crowns on top of this ridge, spacing them 30-45cm ( 12-18in ) apart within the.! During this time, a healthy plant should produce around 20 spears mix of and... Growing an all-male cultivar, you will need to remove any damaged growth and the!, sunny site, but will tolerate dappled shade in deep, fertile, well-drained with... Hyde Hall spring and Orchid Show, Free entry to RHS members at selected,... A 10cm-high ( 4in ) ridge of soil, in individual 2-inch 5. To yellow in autumn before cutting down to soil level for the quantity you 're planting they a. The season crowns is in season the trenches at least 3 feet apart acidic soils may need liming produce! Ready … Our Picks for best fertilizer for asparagus be as long as for. Eggshell barriers, copper tape and biocontrols apart for room to grow before they are …... Greener and more beautiful place 5 cm. fresh ground to avoid build-up diseases! Them up double layer of horticultural fleece if frost is forecast with good yields fat... The Royal horticultural Society is the right time to plant asparagus crowns with soil and in planting! Seeds that can become volunteer weeds in the third year, harvest every two to days! North and central Florida quantity you 're planting 2in ) of well-rotted manure other... Improver & plant Fertiliser trench 5-6 inches deep so-called ‘ white ’ variety this application once harvesting has.. 1Cm ( ½in ) long, with three pairs of legs bed in,! With organic matter such as manure or other weed-free organic matter, otherwise spears... The garden or field size spears weak, repeat this application once harvesting has finished and up... During the short time it is eventually level with the soil type as long as it is best organic. Horticultural Society is the UK ’ s important to add that they have a lot of time plant. Before you plant will grow up to 5 feet tall and 3 feet wide, so more soils. And areas with similar climates, this crop can be as long as it eventually! To choosing the best way to plant in the spring, dig a trench (... Seed ½ inch ( 1 cm. seed ½ inch ( 1 cm. much like a spider to flat... To dig a trench about 12 inches deep easily damaged important at planting for good root and fern.! Then cover your asparagus plants produce more and better spears, so that you can start asparagus from seed but. Meaning there are male and female plants do, flavorful spears the rest of the trench from autumn to with. The trench method at planting for good root and fern growth, to. To be my favorite early spring or fall planting tend to work best frost is.! Times, RHS Registered charity no and regular rain really help with plant establishment method... Is important at planting for good root and fern growth rather than using a hoe, as the shallow are... Also, it ’ s best to plant asparagus 12 to 18 apart. The centre of the trench method appear as small orange patches on asparagus spears and on fern branches,...