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When to Plant Cardoon in Ben Hill County, GA

Ben Hill County, Georgia Zone 9a May

Ben Hill County, Georgia gardeners: here's your May plan

If you only do a handful of things in the garden this May, make it these. They're sequenced around your zone's frost timing.

Avg. last frost March 9
Avg. first frost November 15
Soil temp (4") 74°F
Watering Low
Pest pressure High
Daylight 13.6 hrs

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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.

Ben Hill County, Georgia is in USDA Zone 9a. The average last spring frost is March 9 and the first fall frost is November 15, giving you a growing season of approximately 251 days.

At an elevation of 261 feet, Ben Hill County receives approximately 56.3 inches of rainfall annually with predominantly clay loam soil. Summer highs average 96°F, so Cardoon may need afternoon shade and extra watering during peak heat. 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.

Ben Hill County, GA (Zone 9a) Long season
251 days
Last Spring Frost March 9
251 growing days
First Fall Frost November 15

Ben Hill County Soil Profile

Soil Type

Clay Loam

Soil pH

5.7-6.4

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 4.8" 0" ❄️ Dormant
Feb 4.5" 0" ❄️ Dormant
Mar 4.3" 5.7" 0" ✅ Rainfall sufficient
Apr 4.3" 4.6" 0" ✅ Rainfall sufficient
May 4.3" 4.7" 0" ✅ Rainfall sufficient
Jun 4.3" 5.3" 0" ✅ Rainfall sufficient
Jul 4.3" 6.2" 0" ✅ Rainfall sufficient
Aug 4.3" 5.2" 0" ✅ Rainfall sufficient
Sep 4.3" 3.5" 0.8" 💧 Light watering
Oct 4.3" 3.5" 0.8" 💧 Light watering
Nov 4.3" 4.5" 0" ✅ Rainfall sufficient
Dec 3.9" 0" ❄️ Dormant

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

Cardoon Planting Timeline — Ben Hill County, GA

Cardoon Planting Calendar

Activity When Date Range
Transplant Outdoors March 23 Mar 23 – Apr 6
Harvest July 27 Jul 27 – Sep 7

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

Month-by-Month Timeline

MonthActivities
January
February
March Transplant Outdoors
April Transplant Outdoors
May
June
July Harvest
August Harvest
September Harvest
October
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 9a

📆 Growing Season

251 days in Ben Hill County

Growing Tips for Ben Hill 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 Ben Hill County, GA?

Ben Hill County is in Zone 9a with an average last frost of March 9. Plan your Cardoon planting based on this frost date — see the calendar above for exact timing.

What planting zone is Ben Hill County, GA?

Ben Hill County, Georgia is in USDA Hardiness Zone 9a. The average last spring frost is March 9 and first fall frost is November 15.

🌱

Your Ben Hill County Garden Planner — Free

A 24-page printable planner built for Ben Hill County (Zone 9a). 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 Ben Hill County, GA. Local conditions may vary. Last updated: May 2026.

Sources & credits

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