The Vegetable Guide – Asparagus

Depth of Seed
Germination Time2-8 weeks
1-11/2 inches
Depth of Plants6-8 inches
Spacing of Plants3 inches(seeds), 24 inches (plants)
Spacing of Rows18-20 inches(seed), 4-5 feet (plant)
Quanity1 package for 100 plants
1 ounce for 250 plants
Maturity Dates, Yields and Storage

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Home garden asparagus can be damaged by the asparagus beetle in some areas.
If you observe insects feeding on asparagus, contact your local county
Extension agent for identification and control recommendations.


Asparagus is troubled by some diseases. If plants have rust colored spots
on the stems or branches, ask your county Extension agent what to use.


Harvest asparagus spears from established beds for about 8 weeks. Do not
harvest too soon from a new planting.

Harvest spears when they are 4 to 10 inches long. To prevent spears from
becoming fibrous, harvest at least every other day. The fibrous condition is
caused by overmaturity or inadequate fertility. Spears with loosely formed
heads are overmature.

Cut asparagus spears 1 to 2
inches below the soil level. At least one-half the length of the spear should
be above the ground. Never cut the spear within 2 inches of the crown to avoid
damage to the developed buds. Never cut asparagus spears above the ground and
allow stubs to remain (figure 4). Discontinue harvest when spear diameter
becomes less than 3/8 of an inch.

Some gardeners prefer white or blanched asparagus. This is grown by shading
the spears with mounds of soil or mulch to exclude light.

USDA Nutrient
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Pack whole spears, tips up, tightly into clean, hot jars. Pack cut pieces as
tightly as possible without crushing them. Leave 1/2 inch headroom. Add salt.
Cover with boinling water, leaving 1/2 headroom. Process in pressure canner at
10 pounds pressure(240 F)
Pints -25 minutes
Quarts – 30 minutes.


Blanch for 2-4 minutes depending on the thickness of the stlks. Cool
immediately in cold water. Drain …pack into containers, leaving no headroom.


Asparagus cannot be stored, but it is an excellent canning crop.

Special Thanks to:
Jerry Parsons and Sam Cotner, Extension Horticulturists
Texas Agricultural Extension Service

Educational programs conducted
by the Texas Agricultural Extension Service serve people of all ages,
regardless of socioeconomic level, race, color, sex, religion, handicap or
national origin.

Issued in furtherance of Cooperative Extension Work in Agriculture and Home
Economics, Acts of Congress of May 8, 1914, as amended, and June 30, 1914, in
cooperation with the United States Department of Agriculture. Zerle L.
Carpenter, Director, Texas Agricultural Extension Service, The Texas A&M
University System.

Hypertext markup and graphics colorization by Tammy Kohlleppel and Dan

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