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Jersey Knight Asparagus

Jersey Knight Asparagus


Jersey Knight Asparagus


Jersey knight is a predominantly male variety of Asparagus. Male varieties are preferred by many gardeners, males are far more productive in producing abundant spears. Female plants energy is squandered producing seeds and rogue plants.

Rutgers University in New Jersey conducted a program to improve the performance of asparagus that concentrated on the productivity of male plants. The strains that resulted, most of which bare the name Jersey are considered the most productive of Asparagus plants. They yield about 25 percent higher than older heirloom, mixed sex and female varieties.

Jersey Knight Asparagus produces above average yields and is a hybrid - bred for a higher disease resistance than some older cultivars. It is resistant to rust, Fusarium, root rot, crown rot and Cercospora and is also cold hardy and Will overwinter up to zone 3.



Jersey Knight is prized not only for its productivity but also for the quality of its produce. Like most Asparagus varieties it can remain productive for around 15 years if properly cared for.

Seeds can be started indoors in late winter or early spring for transplanting outdoors after the last frost.

Bare root stock can be planted as soon as the ground is workable in spring.

Pre- Rooted plants can be planted at season end in the fall 4-6 weeks before the first fall frost, they will over winter and grow again after the winter dormancy.

Full Sun

Germination 28 - 35 Days

Slightly Less than 2 Years to Maturity ~ Under good conditions it has a productive life expectancy of approximately 15 years.

Self pollinating. However, you may want to plant pollinating partners to increase crop size. You'll still get Asparagus with just one plant

USDA Hardiness Zones 3 - 8

Plant Height - 4 to 5 Ft

Spread - 16 - 20 Inches

Soil ph: 6.0 -8.0

Yield - Above Average

If perennial weeds or grasses infest an asparagus bed it is extremely difficult to reclaim it. So keep the asparagus bed well-mulched , using shredded leaves or straw. Weed frequently and carefully asparagus roots near the surface are easily damaged. Domesticated Asparagus does not compete well with weeds or even other domestic garden plants, do not interplant with other crops.


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