12 . Call Food Gardening Network Customer Service at learn more about Jersey Supreme asparagus from Stark Brothers. Do not plantin heavy or wet soil where water pools. Male plants grow a greater number of smaller, uniform spears. After that, allow the spears to develop into ferns. The most common insect pests on asparagus in Minnesota are the common and spotted asparagus beetles. An inch of water will wet a sandy soil to a depth of ten inches, and wet a heavy clay soil to six inches. Ferns are an important part of asparagus production. In heavy clay soils, the furrow depth may be reduced to six inches, and in sandy soils, the depth may be increased to no more than 12 inches. Choose a fertile, sunny, well-drained site with soil that holds moisture well. This means that for the most part, crowns of the "Jersey" varieties are no longer available for growers to order. Hand removal is necessary to manage large annual weeds and perennial weeds. It is also a very sturdy type of asparagus. Jersey Giant Jersey Supreme Open-pollinated varieties for Minnesota Mary Washington Martha Washington Purple Passion Choosing a planting site for asparagus Since asparagus is a long-lived perennial crop, proper site selection is important. Best In Zones 3 - 9 Description: 1 Year old crowns Jersey Giant produces the largest spears. After the asparagus patch is established, fertilizer, compost, or composted manure can be added either in early spring before spear emergence, or after harvest in late June or early July. Most gardeners primarily plant male plants, which produce larger spears in greater numbers. Asparagus spears are the part of the plant that goes to harvest but the ferns, crowns and seeds are just as important. All rights reserved. It also does best in growing zones 5-8. Read the label of the herbicide carefully before applying it to ensure that it is permitted for use in asparagus, and follow all label instructions for application. Asparagus is a high-value perennial crop and plants can live and produce for more than15 years in Minnesota. Examples include Ariane, Pacific 2000, Pacific Purple and Stewarts Purple. In this article, well take a closer look at these 10 asparagus varieties. The varieties Viking KB-3, Jersey Giant, Jersey Knight, and other members of the Jersey line tolerate crown rot. Since asparagus is a long-lived perennial crop, proper site selection is important. It has dark-green spears with a little bit of purple on the bud scales and it has an especially high tolerance to fusarium. Keep the nursery bed free from weeds, as the asparagus seedlings will not be able to compete with strong weed growth. This special jersey will be worn to celebrate MI's annual Education and Sports for All (ESA) initiative. Their spears are very thick and they are a perennial plant so you can enjoy them for many years to come. Again with an RHS Award of Garden Merit this variety has a high Delicate fresh flavor. . Unless you have asparagus beds with lots of varieties its unusual to be able to taste more than one or two different varieties head to head. Hi, I'm Jon. Get Pricing and Availability . Good weed management is critical for establishing high yielding, healthy new asparagus beds. Cindy Tong, Extension horticulturalist, Jill MacKenzie and Annie Klodd, Assistant Extension professor. Whats The Difference Between Male And Female Asparagus Plants, Asparagus Harvesting - How And When To Pick Asparagus, What Is Asparagus Rust: Tips On Treating Rust In Asparagus Plants, Best Trees For Carbon Sequestration And Climate Change, Common Flowering Quince Diseases And Pests, These Weeds That Spread By Seed Can Sprout After Years, Rose Varieties: What Are Some Different Types Of Roses, Choaenephora Wet Rot Control: Tips On Controlling Choaenephora Fruit Rot, Is Growing Butternuts Possible: Information About White Walnut Trees, Tomato Plant Insect Pests: Tips For Treating Pests On Tomatoes, Home & Garden Marketplace: Advertiser Info. If the asparagus bed is to be part of a larger vegetable garden, the best place is at the north end of the garden, so that the tall ferns do not shade the other crops. I keep adding more asparagus as I get older. Do you grow Jersey Giant asparagus? In Minnesota, asparagus is planted between early May and early June. The Mary Washington asparagus is an heirloom variety that is a perennial plant and it does best in growing zones 3-8. asparagus, asparagus rust, jersey giant asparagus, jersey knight, Your email address will not be published. Jersey Giant makes short thick spears. Grow your own vegetables. Following correct planting methods for asparagus is important for this long-lived perennial crop. Typical cost 15 for 10 Asparagus is the earliest crop to market, and growers can market it to restaurants, at farmers' markets, and through community-supported agriculture (CSAs)and roadside stands. Sweet flavor; tender texture. Select a delivery dateclose to when you anticipate planting, as the crowns must be refrigerated until planting. White asparagus is not a separate variety but is grown under different growing conditions. find your local hardiness zone with this map. $68.99 31% off! Of course that is what we'd all love to have. It usually grows between seven and nine inches long and is very meaty and tasty. In addition to having a higher yield the male plants have no seeds to drop and seeds produce seedlings that will affect the size and yield of spears produced by the planted crowns. It is best to add part of the fertilizer the fall or spring before planting, but about half of the phosphorus and potassium should be added at the time of planting. 4.7 out of 5 stars 15. While a handful of large retailers may still have limited stock of these varieties left for purchase, growers will no longer be able to source these varieties in general once that limited stock is sold. Asparagus can now be found all over the world. Regents of the University of Minnesota. Regents of the University of Minnesota. Asparagus patches should receive at least one inch of water every week. 88. It is highly disease-resistant. Plant a Fusarium-resistant hybrid, such as Jersey Gem, Jersey Giant, or Jersey Knight. If purple asparagus doesnt sound appetizing, dont worry; the color fades when the asparagus is cooked. During the dormant season (winter) the crowns store energy in the form of carbohydrates that allow the plant to keep growing from year to year. Allow the spears to become ferns and build the strength of the crowns. NOTE: #1 bare root size is around 6" tall and wide. Jersey King F1 hybrid - another hybrid Needless to say we didn't all agree! It grows vigorously Fresh asparagus is such a springtime treat that you can eat it within hours of picking, but it can also keep for up to a week in the refrigerator. Some very old publications and online gardening blogs may say to spread out the roots of the crowns like an octopus during planting, but this is an outdated, unnecessary practice. Walker Brothers has no plans to sell their existing breeding lines, so we do not anticipate a revival of these varieties. They also prefer full or partial sun. 10 Pack Bareroot. Access to irrigation, particularly in the planting year (especially important for sandy soils). Waiting to prepare until the planting year only works if the grower already knows that the field is well suited for asparagus and if nurseries still have crowns of the desired varieties available. This pale green, disease-resistant asparagus is both male and female. It is one of the few perennial vegetables grown in Minnesota; others include horseradish and rhubarb. $14.88 $ 14. A frost can also kill asparagus spears to end the growing season, causing them to tip over. Asparagus is a flowering herbaceous perennial plant that belongs to theAsparagaceae family. These buds and roots are called crowns. If spears are left to grow, they develop leaves and are called ferns. Asparagus harvest is only two months instead of the entire season, because the plants need a chance to let the ferns grow in order to recover and build up energy for the next year. So, what is the best asparagus to grow? Planting at the right depth is important. Additional methods include well-timed hoeing, flame-weeding, cover crops, and careful use of select herbicides. However, you will usually harvest the spears for eating long before then. Put them in a plastic bag in the crisper drawer. But that will dry the soil, making it clumpy and harder to work with. Avoid areas with shallow soils, or soils prone to water-saturation. Therefore, gardeners should only cultivate in the spring if it is truly necessary for removing the weeds in their patch, and if they need to add fertilizer. Although commercial production in the United States is concentrated in California, Washington and Michigan, Minnesota's climate and soils provide an excellent environment for growing asparagus. Spears mature into feathery soft, fern-like foliage. These varieties can be damaged at -30 F if there is not enough snow cover. and the spears are uniform, green, tender, not stringy with a heavy crop them out.Examples include Guelph Millenium and Mondeo. In addition to soil quality, the slope of the land also impacts soil water drainage. Soil pH ideally between 6.5-7.0. It usually grows between seven and nine inches long and is very meaty and tasty. Use Current Location. If youre planning on starting a sustainable herb garden soon, basil is a must-have. The second spring after planting crowns, if the plants were strong and healthy during the previous growing season, begin to harvest when the spears are six to eight inches long. to mid season and has an Award of Garden Merit from the Royal Model #NURSERY. Open-pollinated varieties of asparagus contain both male and female plants. Flaming (propane weeding): Flame weeders, also called propane weeders, emit heat and flames from propane-powered torches. Purple spotcauses sunken purple spots on asparagus spears, and tan spots with a purple border on mature stems. The first spring, a year after planting the crowns, do not harvest any spears. Asparagus spears are crisp, tender and flavorful. It is hardy in Zones 3 to 9 (as cold as -40 degrees Fahrenheit or -40 degrees Celsius). Guelph Millenium F1 hybrid Even though asparagus ferns rarely exhibit obvious signs of drought stress, they need consistent soil moisture in order to stay healthy for the next year. 7 inches tall. The preharvest intervals for these two fungicides are 180 and 0 days . Sign up to get all the latest gardening tips! This happens at the end of each harvest season, and in newly planted asparagus stands that are not harvested. As the soil is removed from the trench, set it directly to the side. All your asparagus growing questions resolved. The best you can hope for is some tolerance for the common fungus issues of rust and fusarium that exist in all soils and as with most fungus diseases, weather is the enemy we have to contend with there, not the variety. One Additionally, if you have experience growing any of these varieties, please do not hesitate to reach out and share your thoughts about them. Asparagus crowns should be planted 6 to 8 inches deep in light, sandy soils, but only 4 to 6 inches deep in heavier soils. It prefers full sun and the plant itself can get up to three feet in height. Some hybrid asparagus varieties have been bred to provide male only asparagus plants. Avoid adding unnecessary amounts of phosphorus to the soil beyond what the soil tests recommend. All rights reserved. The Frenchmen also cultivated asparagus in their greenhouses to ensure its year-round supply since its King Louis XIVs favorite type of food. 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