How To Grow Asparagus


Asparagus (Asparagus officinalis) is a long lasting perennial, and the first vegetable harvested each spring. It's prized for its flavor, rich in vitamins and minerals, and only 30 calories per cup. Add to this the grocery price and you'll easily justify the effort of digging a special bed for growing asparagus.
Asparagus Growing Conditions
Production can last 15 years in a well placed bed of asparagus. Care should be taken to find a spot that will receive at least eight hours of sunlight in a well drained area that can be deeply dug to properly plant your asparagus. Growing conditions should be given the greatest consideration since the bed will be more or less permanent.
How to Grow Asparagus
Knowing how to grow asparagus will give you the healthiest plants with the greatest yield. Buy one-year-old, healthy crowns. Dig a trench 8 to 10 inches (20-25 cm.) deep and wide enough to accommodate the growing asparagus roots. Apply one pound of triple superphosphate (0-46-0) or 2 pounds of superphosphate (0-20-0) for every 50 feet (15 m.) of trench. For ideal growing, asparagus trenches should be 4 feet (1 m.) apart. Place the crowns 18 inches (46 cm.) apart right on top of the fertilizer. Work liberal amounts of organic material into the dug soil to provide optimal asparagus growing conditions. Use this soil to backfill the trench to a depth of 2 inches (5 cm.). Backfill with more soil every time you see another 2 inches (5 cm.) of the tender new stalks of asparagus. Care must be taken to protect these delicate shoots. Once the trench is filled, the hard work is done, but there is a little more to know about how to grow asparagus successfully. Weed the bed thoroughly in early spring to keep the bed weed free. Feed the growing asparagus annually with a 10-10-10 granular fertilizer. Don't harvest until the third year and then only lightly. Thereafter, harvest up until July 1st by snapping the stalks off at the base. Then, the growing asparagus should be allowed to reach maturity to insure the development of healthy roots. If you follow these simple directions for asparagus care, you'll enjoy those tender and delicious spears for years to come.
Gardening tips, videos, info and more delivered right to your inbox!
Sign up for the Gardening Know How newsletter today and receive a free copy of our e-book "How to Grow Delicious Tomatoes".

Jackie Rhoades began writing for Gardening Know How in 2010.
-
Looking For Full Sun Container Plants? Try These Gorgeous Plant Combos And Themes
There are plenty of heat-tolerant plants that thrive in containers – but if you’re stuck for ideas, these full sun container plants and planting ideas will help get you started
-
Is Your Orchid Epiphytic? Why It Matters – And How To Tailor Care For The Best Blooms
With quirky aerial roots and exotic flowers, epiphytic orchids are unlike any other houseplant. Find out how to care for them and why they're worth the effort.
-
What Is White Asparagus – How Does White Asparagus Grow
Here's a real head-scratcher. There are no varieties of white asparagus! So how does white asparagus grow? Read on to find out.
-
Heirloom Asparagus Plants - Origins Of Asparagus Use In The Garden
-
Potted Asparagus Plants – Can You Grow Asparagus In Containers
The introduction of new asparagus cultivars has made the process of growing and caring for these plants easier than ever before. But can you grow asparagus in a pot? Click on the following article to learn more about container grown asparagus plants.
-
Precoce D'Argenteuil Asparagus Information
-
Asparagus Winter Care: Tips On Winterizing Asparagus Beds
Once established, asparagus is fairly low maintenance with the exception of keeping the area weed free and watering, but what about overwintering asparagus plants? Do asparagus need winter protection? Find out in this article.
-
What’s The Difference Between Male And Female Asparagus Plants
We all know that some plants have male reproductive organs and some have female and some have both. How about asparagus? Are there really male or female asparagus? If so, what's the difference between male and female asparagus? Find out here.
-
Spotted Asparagus Beetle Facts: Controlling Spotted Asparagus Beetles In Gardens
It can be especially devastating when an asparagus patch falls victim to pests. One very common asparagus pest is the spotted asparagus beetle. Learn some spotted asparagus beetle facts and how to prevent spotted asparagus beetles in this article.
-
What Is Asparagus Rust: Tips On Treating Rust In Asparagus Plants
Asparagus rust disease is a common but extremely destructive plant disease that has affected asparagus crops around the world. Learn more about asparagus rust control and treatment in your garden using information from this article.