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When to plant Cardoon in Laurel County, KY

Plant Cardoon in Laurel County, between May 3 and May 17 — the only viable window. Zone 7a's short season (185 frost-free days) rules out a fall crop.

When to Plant Cardoon in Laurel County, KY

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.

Laurel County, Kentucky is in USDA Zone 7a. The average last spring frost is April 19 and the first fall frost is October 21, giving you a growing season of approximately 185 days.

At an elevation of 2,549 feet, Laurel County receives approximately 51 inches of rainfall annually with predominantly silt loam soil. Summer highs average 90°F, providing good warmth for Cardoon during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Cardoon root diseases.

Laurel County, KY (Zone 7a) Moderate season
185 days
Last Spring Frost April 19
185 growing days
First Fall Frost October 21

Laurel County Soil Profile

Soil Type

Silt Loam

Soil pH

5.3-6.9

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" 0" ❄️ Dormant
Feb 3.8" 0" ❄️ Dormant
Mar 4.5" 0" ❄️ Dormant
Apr 4.3" 3.6" 0.7" 💧 Light watering
May 4.3" 4.4" 0" ✅ Rainfall sufficient
Jun 4.3" 4.8" 0" ✅ Rainfall sufficient
Jul 4.3" 5.6" 0" ✅ Rainfall sufficient
Aug 4.3" 5.3" 0" ✅ Rainfall sufficient
Sep 4.3" 3.7" 0.6" 💧 Light watering
Oct 4.3" 3.7" 0.6" 💧 Light watering
Nov 3.8" 0" ❄️ Dormant
Dec 3.8" 0" ❄️ Dormant

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

Cardoon Planting Timeline — Laurel County, KY

Cardoon Planting Calendar

Activity When Date Range
Transplant Outdoors May 3 May 3 – May 17
Harvest September 6 Sep 6 – Oct 18

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

Month-by-Month Timeline

MonthActivities
January
February
March
April
May Transplant Outdoors
June
July
August
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 7a

📆 Growing Season

185 days in Laurel County

Growing Tips for Laurel 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 Laurel County, KY?

Laurel County is in Zone 7a with an average last frost of April 19. Plan your Cardoon planting based on this frost date — see the calendar above for exact timing.

What planting zone is Laurel County, KY?

Laurel County, Kentucky is in USDA Hardiness Zone 7a. The average last spring frost is April 19 and first fall frost is October 21.

When should I plant Cardoon in Laurel County, KY?

In Laurel County, KY, plant Cardoon after the last frost (around April 19) and before the first frost (around October 21). Best results when soil holds above 50°F.

What growing zone is Laurel County, KY for Cardoon?

Laurel County sits in USDA Zone 7a. Cardoon grows reliably in zones 7a through 10b, so it's a good fit here.

Can Cardoon grow in Laurel County's climate?

Yes — Cardoon grows well in Laurel County's temperate climate. Laurel County averages a 185-day frost-free season, with last frost around April 19 and first frost around October 21.

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Your Laurel County Garden Planner — Free

A 22-page printable planner built for Laurel County (Zone 7a). 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 Laurel County, KY. Local conditions may vary. Last updated: July 2026.

Sources & credits

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