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When to plant Radish in Nicholas County, KY

In Nicholas County, plant Radish in spring between April 2 and April 23, once soil temps hold above 50°F. Nicholas County's last frost averages April 16, so time plantings around the expected last-frost window for best survival. For a fall crop, sow between August 17 and August 31 — roughly 22–35 days before the first frost on October 26.

When to Plant Radish in Nicholas County, KY

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.

Nicholas County, Kentucky is in USDA Zone 6b. The average last spring frost is April 16 and the first fall frost is October 26, giving you a growing season of approximately 193 days.

At an elevation of 1,533 feet, Nicholas County receives approximately 42.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91°F, providing good warmth for Radish during the growing season.

Nicholas County, KY (Zone 6b) Moderate season
193 days
Last Spring Frost April 16
193 growing days
First Fall Frost October 26

Nicholas County Soil Profile

Soil Type

Silt Loam

Soil pH

5.7-7.1

Drainage

Well Drained

Monthly Watering Guide for Radish

Radish needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Radish Needs Rainfall You Supplement Action
Jan 3.8" 0" ❄️ Dormant
Feb 3" 0" ❄️ Dormant
Mar 3.8" 0" ❄️ Dormant
Apr 4.3" 3.5" 0.8" 💧 Light watering
May 4.3" 3.5" 0.8" 💧 Light watering
Jun 4.3" 3.9" 0.4" 💧 Light watering
Jul 4.3" 3.7" 0.6" 💧 Light watering
Aug 4.3" 4.3" 0" ✅ Rainfall sufficient
Sep 4.3" 3.5" 0.8" 💧 Light watering
Oct 4.3" 2.7" 1.6" 💧 Light watering
Nov 3.2" 0" ❄️ Dormant
Dec 3.4" 0" ❄️ Dormant

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

Radish Planting Timeline — Nicholas County, KY

Radish Planting Calendar

Activity When Date Range
Direct Sow April 2 Apr 2 – Apr 23
Harvest April 30 Apr 30 – May 21
Fall Sowing August 17 Aug 17 – Aug 31

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

22–35 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 6b

📆 Growing Season

193 days in Nicholas County

Growing Tips for Nicholas 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

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Radish in Nicholas County, KY?

Nicholas County is in Zone 6b with an average last frost of April 16. Plan your Radish planting based on this frost date — see the calendar above for exact timing.

What planting zone is Nicholas County, KY?

Nicholas County, Kentucky is in USDA Hardiness Zone 6b. The average last spring frost is April 16 and first fall frost is October 26.

When should I plant Radish in Nicholas County, KY?

In Nicholas County, KY, plant Radish after the last frost (around April 16) and before the first frost (around October 26). Best results when soil holds above 50°F.

What growing zone is Nicholas County, KY for Radish?

Nicholas County sits in USDA Zone 6b. Radish grows reliably in zones 2a through 11b, so it's a good fit here.

Can Radish grow in Nicholas County's climate?

Yes — Radish grows well in Nicholas County's temperate climate. Nicholas County averages a 193-day frost-free season, with last frost around April 16 and first frost around October 26.

🌱

Your Nicholas County Garden Planner — Free

A 22-page printable planner built for Nicholas County (Zone 6b). 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 Nicholas County, KY. Local conditions may vary. Last updated: August 2026.

Sources & credits

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