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When to plant Cardoon in Labette County, KS

Labette County sits in cold Zone 7a. Plant Cardoon April 21–May 5 for the single annual harvest; the October 27 first frost closes the window.

When to Plant Cardoon in Labette County, KS

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.

Labette County, Kansas is in USDA Zone 7a. The average last spring frost is April 7 and the first fall frost is October 27, giving you a growing season of approximately 203 days.

At an elevation of 421 feet, Labette County receives approximately 22.5 inches of rainfall annually with predominantly loam soil. Summer highs average 90°F, providing good warmth for Cardoon during the growing season.

Labette County, KS (Zone 7a) Long season
203 days
Last Spring Frost April 7
203 growing days
First Fall Frost October 27

Labette County Soil Profile

Soil Type

Loam

Soil pH

6.7-7.3

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 0.6" 0" ❄️ Dormant
Feb 0.9" 0" ❄️ Dormant
Mar 1.7" 0" ❄️ Dormant
Apr 4.3" 2.3" 2" 💧 Light watering
May 4.3" 3" 1.3" 💧 Light watering
Jun 4.3" 4" 0.3" 💧 Light watering
Jul 4.3" 2.8" 1.5" 💧 Light watering
Aug 4.3" 2.4" 1.9" 💧 Light watering
Sep 4.3" 2" 2.3" 🚿 Regular watering
Oct 4.3" 1.6" 2.7" 🚿 Regular watering
Nov 0.8" 0" ❄️ Dormant
Dec 0.5" 0" ❄️ Dormant

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

Cardoon Planting Timeline — Labette County, KS

Cardoon Planting Calendar

Activity When Date Range
Transplant Outdoors April 21 Apr 21 – May 5
Harvest August 25 Aug 25 – Oct 6

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

203 days in Labette County

Growing Tips for Labette 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 Labette County, KS?

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

What planting zone is Labette County, KS?

Labette County, Kansas is in USDA Hardiness Zone 7a. The average last spring frost is April 7 and first fall frost is October 27.

When should I plant Cardoon in Labette County, KS?

In Labette County, KS, plant Cardoon after the last frost (around April 7) and before the first frost (around October 27). Best results when soil holds above 50°F.

What growing zone is Labette County, KS for Cardoon?

Labette 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 Labette County's climate?

Yes — Cardoon grows well in Labette County's temperate climate. Labette County averages a 203-day frost-free season, with last frost around April 7 and first frost around October 27.

🌱

Your Labette County Garden Planner — Free

A 22-page printable planner built for Labette 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 Labette County, KS. Local conditions may vary. Last updated: June 2026.

Sources & credits

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