• A cluster of asparagus crowns jersey knight on a blue checked cloth with a neutral background
  • Bundle of asparagus bare roots ready for shipping on a white background
  • Close up of the top of jersey knight asparagus crowns ready for harvest and eating
  • Graphic showing the recommended growing zones for asparagus crowns
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Ships Spring 2027

Asparagus Crowns - Jersey Knight

Thick, flavorful spears with purple tips

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About the Variety

New

Key Features

Frost Tolerant
Easy to Grow
Edible

Plant Details

BOTANICAL NAME

Asparagus officinalis

LIFE CYCLE

  • Perennial

SEED TYPE

  • Crown

LIGHT REQUIREMENT

  • Full Sun

BLOOM SEASON

  • Late Spring through Early Summer

GROWTH HABIT

  • Upright

PLANT HEIGHT

  • 36 to 48 inches

COLOR

  • Green
  • Purple

Enjoy thick, tender asparagus spears straight from your garden with Jersey Knight, a vigorous all-male hybrid variety known for its impressive productivity. Its flavorful green spears feature attractive purple tips and a tender, sweet texture despite their substantial size. Once established, this long-lived perennial rewards your patience with abundant spring harvests for many years to come.

  • • Well cared for asparagus crowns can last up to 25 years
  • • Well-tended 100 sq ft bed yields 8 to 10 pounds; 24 to 30 pounds per 100 foot row
  • • Highly resistant to asparagus rust and adaptable to a wide range of climates

Planting Information

PLANTING SEASON

  • Spring

PLANTING DEPTH

  • 6 inches

WATER NEEDS

  • Average

PLANT SPACING

  • 12 to 24 inches

HARDINESS ZONES

  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9

Planting Guide

View our Asparagus Crown Planting Guide to learn more.

Ready to Grow

We guarantee that our seeds & bulbs will be true to type and ready to thrive. If something doesn't grow as expected, we will make it right. Questions? Call us at 855-440-2929

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    Asparagus Crowns - Jersey Knight FAQs

    Should I mulch my asparagus crowns?

    Yes. Apply organic mulch around established asparagus to suppress weeds and retain soil moisture. Avoid covering emerging spears with thick mulch, and in spring, pull back excess mulch so the soil can warm more quickly.

    Can I grow asparagus in a raised bed?

    Yes. Asparagus grows well in raised beds, especially where native soil is heavy or poorly drained. Choose a large, deep bed that can remain permanently dedicated to asparagus, spacing crowns 12 to 18 inches apart with plenty of room for mature ferns.

    Why Isn’t My Asparagus Growing After Planting?

    Dormant asparagus crowns may take time to emerge, especially in cold spring soil. Keep the soil evenly moist and allow it to warm naturally without digging around the crowns, which can damage developing roots and buds. Healthy crowns should begin producing shoots once conditions are favorable.

    Why Is My Asparagus Producing Thin Spears?

    Thin spears are normal while newly planted crowns become established, even with two-year crowns. In established beds, thin spears may result from overharvesting, drought, weeds, poor fertility, overcrowding, disease, or insufficient fern growth the previous summer. Stop harvesting at the recommended time and allow healthy ferns to grow throughout summer to strengthen the crowns for future harvests.

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