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When to Plant Cardoon in Greene County, 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.

Greene County, Virginia is in USDA Zone 7b. The average last spring frost is April 13 and the first fall frost is October 28, giving you a growing season of approximately 198 days.

At an elevation of 254 feet, Greene County receives approximately 47 inches of rainfall annually with predominantly silt loam soil. Summer highs average 89°F, providing good warmth for Cardoon during the growing season.

Greene County, VA (Zone 7b) Moderate season
198 days
Last Spring Frost April 13
198 growing days
First Fall Frost October 28

Greene County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Cardoon Planting Timeline — Greene County, VA

Cardoon Planting Calendar

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

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

120–150 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 7b

📆 Growing Season

198 days in Greene County

Growing Tips for Greene County

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

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Cardoon in Greene County, VA?

Greene County is in Zone 7b with an average last frost of April 13. Plan your Cardoon planting based on this frost date — see the calendar above for exact timing.

What planting zone is Greene County, VA?

Greene County, Virginia is in USDA Hardiness Zone 7b. The average last spring frost is April 13 and first fall frost is October 28.

🌱

Your Greene County Garden Planner — Free

A 22-page printable planner built for Greene County (Zone 7b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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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 Greene County, VA. Local conditions may vary. Last updated: July 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.