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When to Plant Crosne in Pottawatomie County, KS

Crosne (Chinese artichoke) produces small, segmented white tubers with a crunchy texture and mild artichoke-nutty flavor. They are a rare delicacy in French cuisine.

Pottawatomie County, Kansas is in USDA Zone 6a. The average last spring frost is April 15 and the first fall frost is October 20, giving you a growing season of approximately 188 days.

At an elevation of 625 feet, Pottawatomie County receives approximately 30.6 inches of rainfall annually with predominantly loam soil. Summer highs average 86ยฐF, providing good warmth for Crosne during the growing season.

Pottawatomie County, KS (Zone 6a) Moderate season
188 days
Last Spring Frost April 15
188 growing days
First Fall Frost October 20

Pottawatomie County Soil Profile

Soil Type

Loam

Soil pH

6.7-7.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✗ May not fit
Transplant: Apr 11 🍅 Harvest: Sep 12 – Oct 24
Recommended (50%) ✗ May not fit
Transplant: Apr 15 🍅 Harvest: Sep 16 – Oct 28
Safe Start (90%) ✗ May not fit
Transplant: May 1 🍅 Harvest: Oct 2 – Nov 13

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
0.7″/week
You supply
0.4″/week
Watering frequency 1-2 times/week
Season total 635 gal / 100 sq ft
Drought risk

Water stress score is 6/10 โ€” consider drought-tolerant varieties and mulching

Crosne needs ~2,538 GDD — county provides 2,726 GDD Good fit

Crosne Planting Timeline โ€” Pottawatomie County, KS

Crosne Planting Calendar

Activity When Date Range
Direct Sow April 1 Apr 1 โ€“ Apr 22
Fall Sowing August 11 Aug 11 โ€“ Aug 25
Harvest September 2 Sep 2 โ€“ Oct 14

Plant 0.5" deep ยท 6" apart ยท Rows 12" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March โ€”
April Direct Sow
May โ€”
June โ€”
July โ€”
August Fall Sowing
September Harvest
October Harvest
November โ€”
December โ€”

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

150โ€“200 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 6a

Growing Season

188 days

Growing Tips for Pottawatomie County

Plant tubers 3 inches deep in spring. Mark the location well as plants die back. Harvest in late fall after frost. Leave some tubers in ground for next year. Very labor-intensive to harvest.

Companion Planting

Good Companions

Level Up Your Garden

Frequently Asked Questions

When should I plant Crosne in Pottawatomie County, KS?

Pottawatomie County is in Zone 6a with an average last frost of April 15. Plan your Crosne planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Pottawatomie County, KS?

Pottawatomie County, Kansas is in USDA Hardiness Zone 6a. The average last spring frost is April 15 and first fall frost is October 20.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Pottawatomie County gardeners in Zone 6a 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 Pottawatomie County, KS. Local conditions may vary. Last updated: April 2026.