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When to Plant Radish in Stafford County, KS

Radishes are one of the fastest-growing vegetables, with some varieties ready in under a month. They come in round, elongated, and large winter types.

Stafford County, Kansas is in USDA Zone 6a. The average last spring frost is April 16 and the first fall frost is October 21, giving you a growing season of approximately 188 days.

At an elevation of 965 feet, Stafford County receives approximately 25.6 inches of rainfall annually with predominantly loam soil. Summer highs average 89ยฐF, providing good warmth for Radish during the growing season.

Stafford County, KS (Zone 6a) Moderate season
188 days
Last Spring Frost April 16
188 growing days
First Fall Frost October 21

Stafford County Soil Profile

Soil Type

Loam

Soil pH

6.5-7.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (135 days to spare)
Transplant: Apr 13 🍅 Harvest: May 11 – Jun 1
Recommended (50%) ✓ Fits season (139 days to spare)
Transplant: Apr 16 🍅 Harvest: May 14 – Jun 4
Safe Start (90%) ✓ Fits season (140 days to spare)
Transplant: Apr 30 🍅 Harvest: May 28 – Jun 18

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
0.6″/week
You supply
0.4″/week
Watering frequency 1-2 times/week
Season total 716 gal / 100 sq ft
Radish needs ~477 GDD — county provides 3,149 GDD Excellent fit

Radish Planting Timeline โ€” Stafford County, KS

Radish Planting Calendar

Activity When Date Range
Direct Sow April 2 Apr 2 โ€“ Apr 23
Fall Sowing August 12 Aug 12 โ€“ Aug 26
Harvest April 30 Apr 30 โ€“ May 21

Plant 0.5" deep ยท 2" apart ยท Rows 6" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

22โ€“35 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 6a

Growing Season

188 days

Growing Tips for Stafford County

Direct sow every 1-2 weeks for continuous harvest. Do not transplant. Harvest spring radishes promptly to prevent them from becoming pithy and hot.

Companion Planting

Good Companions

Avoid Planting Near

  • Hyssop

Level Up Your Garden

Frequently Asked Questions

When should I plant Radish in Stafford County, KS?

Stafford County is in Zone 6a with an average last frost of April 16. Plan your Radish planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Stafford County, KS?

Stafford County, Kansas is in USDA Hardiness Zone 6a. The average last spring frost is April 16 and first fall frost is October 21.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Stafford County gardeners in Zone 6a organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Stafford County, KS. Local conditions may vary. Last updated: April 2026.