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When to Plant Cardoon in Danville City, VA

Cardoon is a large thistle relative of the artichoke, grown for its edible leaf stalks. It has dramatic silvery foliage and makes a striking ornamental as well.

Danville City, Virginia is in USDA Zone 7a. The average last spring frost is April 13 and the first fall frost is October 29, giving you a growing season of approximately 199 days.

At an elevation of 970 feet, Danville City receives approximately 52.6 inches of rainfall annually with predominantly silt loam soil. Summer highs average 92ยฐF, providing good warmth for Cardoon during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Cardoon root diseases.

Danville City, VA (Zone 7a) Moderate season
199 days
Last Spring Frost April 13
199 growing days
First Fall Frost October 29

Danville City Soil Profile

Soil Type

Silt Loam

Soil pH

5.6-7.1

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (18 days to spare)
Transplant: Apr 19 🍅 Harvest: Aug 23 – Oct 4
Recommended (50%) ✓ Fits season (17 days to spare)
Transplant: Apr 27 🍅 Harvest: Aug 31 – Oct 12
Safe Start (90%) ✓ Fits season (10 days to spare)
Transplant: May 15 🍅 Harvest: Sep 18 – Oct 30

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
1.1″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Cardoon needs ~2,565 GDD — county provides 3,781 GDD Excellent fit

Cardoon Planting Timeline โ€” Danville City, VA

Cardoon Planting Calendar

Activity When Date Range
Transplant Outdoors April 27 Apr 27 โ€“ May 11
Harvest August 31 Aug 31 โ€“ Oct 12

Plant 1" deep ยท 30" apart ยท Rows 42" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March โ€”
April Transplant Outdoors
May Transplant Outdoors
June โ€”
July โ€”
August Harvest
September Harvest
October Harvest
November โ€”
December โ€”

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

120โ€“150 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 7a

Growing Season

199 days

Growing Tips for Danville City

Blanch stalks by wrapping with cardboard or tying leaves together 3-4 weeks before harvest. Provide deep, rich soil and consistent moisture. Protect from hard frost.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel

Level Up Your Garden

Frequently Asked Questions

When should I plant Cardoon in Danville City, VA?

Danville City is in Zone 7a with an average last frost of April 13. Plan your Cardoon planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Danville City, VA?

Danville City, Virginia is in USDA Hardiness Zone 7a. The average last spring frost is April 13 and first fall frost is October 29.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Danville City gardeners in Zone 7a organize planting dates, track what's growing, and never miss a planting window.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Danville City, VA. Local conditions may vary. Last updated: April 2026.