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Jersey Giant

Family: Asparagaceae Vegetable
Zone 6a Save Garden

Planting Schedule

Add Jersey Giant to your garden to build a schedule and get reminders.

Unfurling from the crown in towering spears, Jersey Giant delivers a lush, sweet snap with a tender, finely textured bite and a graceful, deep-green finish.

Expect thick, substantial stalks that hold their poise—ideal for showcasing as the star of the garden’s early harvest. Grow Jersey Giant for a long-lived stand that rewards patience with abundant, premium spears year after year.

Light: Full SunMaturity: 730 DaysHabit: Perennial_Crown

Botanical illustration of Jersey Giant

Showing planting schedules for Zone 6a. We detect Columbus (Zone 6b).

Crop Dates

Growing note: This crop establishes over multiple seasons (~730 days / ~2 years to first harvest). Plant on the frost schedule; first harvest follows establishment, not a single frost-free season.
MilestoneDate
Start IndoorsFeb 20th
Last FrostMay 1st
Transplant / Sow OutdoorsApr 17th
Harvest BeginsApr 16th
Harvest EndsOct 10th

Crop Details

TraitValue
Days to Maturity730
Sun RequirementsFull SunFull sun
Growth HabitPerennial_Crown
Support NeededNone
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)50
Min Night Temp (°F)35
Harden Off (days)7

Culinary Notes

Chef's Note

Jersey Giant’s thick spears stay composed—poised for either a two-minute blanch or a hard, fast roast—without turning woody or stringy. Keep cooking tight to preserve that sweet snap; it’s the kind of asparagus that doesn’t need much, just buttered heat and a hit of acid.

Best Uses

  • hot blanch-and-chill for a crisp, snappy salad
  • quick sauté or high-heat roast to keep spears firm
  • lemon-butter pan sauce that clings to thick stalks
  • creamier preparations where thickness stands up to reduction

Flavor Profile

sweet, grassy snap tender core with a fine, not-stringy bite clean deep-green finish subtle bitterness if overcooked

Kitchen Pairings

lemon butter parmesan garlic olive oil eggs

Frequently Asked Questions

What pest or disease most commonly affects asparagus (Asparagus officinalis) like Jersey Giant, and how can I control it?
Asparagus beetles (adults and larvae) can strip spears and foliage; check plants weekly and hand-pick beetles when you first notice them. If infestations are heavy, spray an approved insecticidal soap or neem during calm weather, focusing on new growth, and remove badly damaged ferns at season’s end to reduce carryover.
How often should I water asparagus (Asparagus officinalis) during its main growing phase to keep soil moisture right?
During spear production, keep the soil consistently moist but not waterlogged—about 1–2 inches (2.5–5 cm) of water per week from rainfall plus irrigation is a good target. Aim for deep soaking so moisture reaches the crown and roots, then let the top 1 inch of soil dry slightly before watering again to avoid rot.
How do I tell when Jersey Giant asparagus spears are ready to harvest?
Harvest when spears are firm and tight-tipped, typically 6–8 inches (15–20 cm) tall, with a thickness that is workable for your use. Start spears at the base and cut at soil level, and stop harvesting once the spears thin down and become more numerous than thick—then switch to letting ferns grow to rebuild root energy.

Today's Conditions

Outdoor planting for Jersey Giant in Zone 6a typically begins around 2026-04-17. Wait until soil reaches at least 50°F before transplanting Jersey Giant.

Garden Alerts

This crop establishes over multiple seasons (~730 days / ~2 years to first harvest). Plant on the frost schedule; first harvest follows establishment, not a single frost-free season.

Today's Conditions

Outdoor planting for Jersey Giant in Zone 6a typically begins around 2026-04-17. Wait until soil reaches at least 50°F before transplanting Jersey Giant.

Garden Alerts

This crop establishes over multiple seasons (~730 days / ~2 years to first harvest). Plant on the frost schedule; first harvest follows establishment, not a single frost-free season.

Sowing Tips

Transplant Conditions

Wait until soil reaches 50°F and nights stay above 35°F before moving outdoors. Harden off for 7 days first.

Expert Note

Grow asparagus as a long-lived bed: keep new crowns weed-free and harvest lightly in year 3 (none in year 1–2) for strongest long-term spear production.