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When to Plant Cardoon in Walker County, AL

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.

Walker County, Alabama is in USDA Zone 7a. The average last spring frost is March 30 and the first fall frost is November 3, giving you a growing season of approximately 218 days.

At an elevation of 129 feet, Walker County receives approximately 51.6 inches of rainfall annually with predominantly clay loam soil. Summer highs average 88Β°F, providing good warmth for Cardoon during the growing season. Clay soil retains moisture well for Cardoon, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Cardoon root diseases.

Walker County, AL (Zone 7a) Long season
218 days
Last Spring Frost March 30
218 growing days
First Fall Frost November 3

Walker County Soil Profile

Soil Type

Clay Loam

Soil pH

5.5-6.3

Drainage

Well Drained

Monthly Watering Guide for Cardoon

Cardoon needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Cardoon Needs Rainfall You Supplement Action
Jan β€” 4.3" 0" ❄️ Dormant
Feb β€” 3.5" 0" ❄️ Dormant
Mar 4.3" 4.8" 0" βœ… Rainfall sufficient
Apr 4.3" 4" 0.3" πŸ’§ Light watering
May 4.3" 4.6" 0" βœ… Rainfall sufficient
Jun 4.3" 4.5" 0" βœ… Rainfall sufficient
Jul 4.3" 5.2" 0" βœ… Rainfall sufficient
Aug 4.3" 5.5" 0" βœ… Rainfall sufficient
Sep 4.3" 3.7" 0.6" πŸ’§ Light watering
Oct 4.3" 2.9" 1.4" πŸ’§ Light watering
Nov 4.3" 4.1" 0.2" πŸ’§ Light watering
Dec β€” 4.5" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Walker County). Supplement amounts are based on average rainfall β€” actual needs vary with temperature, soil, and mulching.

Cardoon Planting Timeline β€” Walker County, AL

Cardoon Planting Calendar

Activity When Date Range
Transplant Outdoors April 13 Apr 13 – Apr 27
Harvest August 17 Aug 17 – Sep 28

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

Month-by-Month Timeline

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

Growing Conditions

β˜€οΈ Sun

Full Sun (6-8+ hours)

πŸ’§ Water

Moderate β€” regular watering

πŸ“… Days to Maturity

120–150 days

πŸ§ͺ Soil pH

Needs 6–7.5 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 7a

πŸ“† Growing Season

218 days in Walker County

Growing Tips for Walker 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 Walker County, AL?

Walker County is in Zone 7a with an average last frost of March 30. Plan your Cardoon planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Walker County, AL?

Walker County, Alabama is in USDA Hardiness Zone 7a. The average last spring frost is March 30 and first fall frost is November 3.

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Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Walker County 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 Walker County, AL. Local conditions may vary. Last updated: April 2026.