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What is this To help gardeners understand which plants will grow well for them, the entire USA has been segmented into ‘Plant Hardiness Zones’.

Plant Asparagus for Years of Harvest

Everyone loves the versatility and fresh, crisp flavor of Asparagus. It’s perfect for summer grilling, steaming, stir fries and can even be canned or frozen for winter storage. Going to the grocery store and buying Asparagus can become costly (especially if you love it as much as I do). Why not grow your own and enjoy fresh Asparagus every summer? Our “Jersey Knight” variety is an extremely vigorous, all-male variety that will produce tasty Asparagus in your garden for up to 15 years if cared for properly. Planting and growing Asparagus is easy – Just follow these simple steps!

Asparagus Jersey KnightWhen to Plant: Plant in spring after your soil has warmed up to 50 degrees Fahrenheit; usually 4-6 weeks prior to your last frost date.

Where to Plant: Asparagus grows best in USDA zones 3 to 8. It requires well draining soil with a pH of 7 to 7.2. A soil test is recommended to show any fertilizer needs. (Get a soil tester here). Plant bare roots in full sun to part shade. Once established, Asparagus will tolerate moderate drought.

How to Plant: Dig a trench 5-6" deep and spread out the roots in the bottom; 12-14" apart covering with 2" of soil. The roots will grow no matter how they are placed in the trench. Over a period of several weeks, continue to add soil as the plants begin to grow until the trench is full. Make sure to water well after planting and during dry periods.

Time to Harvest: Do not harvest the first year and only a light harvest may be taken the second season. By the third season; harvest spears with tight tips by snapping the 7 to 9" stalks off at the ground. Limit harvest to a period of 6 to 8 weeks in late spring to early summer or until spears are pencil thin.

Helpful Tips: Asparagus is a great plant for edible landscaping, producing tall fern-like fronds after harvest period until frost.

After Care: Keep plants well cultivated and mulched to prevent weeds. Regular applications of compost or well-rotted manure provide a steady source of nutrients. Do not cut down ferns at the end of the growing season as they protect the crowns in winter. Remove old ferns in spring prior to new shoots emerging. Divide plants in early spring if desired.

Have any of you grown your own Asparagus? Feel free to leave helpful tips below!

Happy Gardening!

5 thoughts on “Plant Asparagus for Years of Harvest”

  • Jean

    Love your article. We are retired now &love aspargus but not done much gardening except flowers, herbs & rhubarb. Wondering if we should fence it in or any precautions to take or if squirrels, rabbits, etc bother it? We put in 9 plants last year & is really looking good & don't want to lose it. We purchased at greenhouse but they had NO HELP OR INFO for us. Appreciate any suggestions you might have.

    • Jenny

      Hi Jean. I have grown asparagus for years with zero trouble from critters, who are definitely alive and hungry in my garden! I don't, however, think this means that they won't eat your asparagus. My recommendation is that you pick up some 2 ft. tall 'hardware cloth'. Similar to chicken wire, but with smaller holes, this comes in rolls that you can unwind and prop up around whatever the 'flavor du jour' is in your garden. This has always worked for me! Best of luck - Jenny

  • mary

    Will asparagus survive gophers?

    • Jenny

      Hi Mary - great question. Generally, this depends on how old the asparagus crowns are. As they mature they're actually able to withstand a fair amount of gopher abuse; however, younger plants may be more affected. So, if you can manage to protect them over the first 1-2 seasons, you may be able to reduce your efforts later on without too much worry. Good luck and Happy Gardening! - Jenny

    • Amanda

      Hi Mary,

      Unfortunately, because Gophers are tunneling animals they tend to go for the root structures of plants and vegetables. So, the short answer is there is a good chance your asparagus might not survive an attack from gophers. You could try below-ground fencing to try to keep the problem at bay. Good luck!

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