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When to plant Cardoon in Monroe County, KY

Monroe County's 201-day season only supports one Cardoon planting per year. Sow between April 24 and May 8 for the best chance at full maturity before October 28.

When to Plant Cardoon in Monroe 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.

Monroe County, Kentucky is in USDA Zone 7a. The average last spring frost is April 10 and the first fall frost is October 28, giving you a growing season of approximately 201 days.

At an elevation of 1,648 feet, Monroe County receives approximately 54.6 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.

Monroe County, KY (Zone 7a) Long season
201 days
Last Spring Frost April 10
201 growing days
First Fall Frost October 28

Monroe County Soil Profile

Soil Type

Silt Loam

Soil pH

5.5-7.1

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 4.4" 0" ❄️ Dormant
Feb 4.1" 0" ❄️ Dormant
Mar 4.7" 0" ❄️ Dormant
Apr 4.3" 4.2" 0.1" 💧 Light watering
May 4.3" 3.7" 0.6" 💧 Light watering
Jun 4.3" 4.8" 0" ✅ Rainfall sufficient
Jul 4.3" 6.1" 0" ✅ Rainfall sufficient
Aug 4.3" 5.9" 0" ✅ Rainfall sufficient
Sep 4.3" 4.2" 0.1" 💧 Light watering
Oct 4.3" 3.8" 0.5" 💧 Light watering
Nov 3.8" 0" ❄️ Dormant
Dec 4.7" 0" ❄️ Dormant

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

Cardoon Planting Timeline — Monroe County, KY

Cardoon Planting Calendar

Activity When Date Range
Transplant Outdoors April 24 Apr 24 – May 8
Harvest August 28 Aug 28 – Oct 9

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 7a

📆 Growing Season

201 days in Monroe County

Growing Tips for Monroe 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 Monroe County, KY?

Monroe County is in Zone 7a with an average last frost of April 10. Plan your Cardoon planting based on this frost date — see the calendar above for exact timing.

What planting zone is Monroe County, KY?

Monroe County, Kentucky is in USDA Hardiness Zone 7a. The average last spring frost is April 10 and first fall frost is October 28.

When should I plant Cardoon in Monroe County, KY?

In Monroe County, KY, plant Cardoon after the last frost (around April 10) and before the first frost (around October 28). Best results when soil holds above 50°F.

What growing zone is Monroe County, KY for Cardoon?

Monroe 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 Monroe County's climate?

Yes — Cardoon grows well in Monroe County's temperate climate. Monroe County averages a 201-day frost-free season, with last frost around April 10 and first frost around October 28.

🌱

Your Monroe County Garden Planner — Free

A 22-page printable planner built for Monroe 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 Monroe County, KY. Local conditions may vary. Last updated: July 2026.

Sources & credits

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