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When to plant Radish in Jackson County, AL

Jackson County's spring Radish window runs March 24 through April 14. most warm-season crops establish quickly once soil holds above 60°F. A second sowing from August 20 to September 3 extends the harvest into fall.

When to Plant Radish in Jackson County, AL

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.

Jackson County, Alabama is in USDA Zone 7b. The average last spring frost is April 7 and the first fall frost is October 29, giving you a growing season of approximately 205 days.

At an elevation of 302 feet, Jackson County receives approximately 59.3 inches of rainfall annually with predominantly clay loam soil. Summer highs average 93°F, providing good warmth for Radish during the growing season. Clay soil retains moisture well for Radish, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Radish root diseases.

Jackson County, AL (Zone 7b) Long season
205 days
Last Spring Frost April 7
205 growing days
First Fall Frost October 29

Jackson County Soil Profile

Soil Type

Clay Loam

Soil pH

5.5-6.5

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 4.9" 0" ❄️ Dormant
Feb 4.4" 0" ❄️ Dormant
Mar 4.9" 0" ❄️ Dormant
Apr 4.3" 4.9" 0" ✅ Rainfall sufficient
May 4.3" 4.6" 0" ✅ Rainfall sufficient
Jun 4.3" 4.7" 0" ✅ Rainfall sufficient
Jul 4.3" 6.7" 0" ✅ Rainfall sufficient
Aug 4.3" 5.9" 0" ✅ Rainfall sufficient
Sep 4.3" 4.5" 0" ✅ Rainfall sufficient
Oct 4.3" 4.1" 0.2" 💧 Light watering
Nov 4.5" 0" ❄️ Dormant
Dec 5.2" 0" ❄️ Dormant

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

Radish Planting Timeline — Jackson County, AL

Radish Planting Calendar

Activity When Date Range
Direct Sow March 24 Mar 24 – Apr 14
Harvest April 21 Apr 21 – May 12
Fall Sowing August 20 Aug 20 – Sep 3

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

Month-by-Month Timeline

MonthActivities
January
February
March Direct Sow
April Direct Sow Harvest
May Harvest
June
July
August Fall Sowing
September Fall Sowing
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 7b

📆 Growing Season

205 days in Jackson County

Growing Tips for Jackson 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 Jackson County, AL?

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

What planting zone is Jackson County, AL?

Jackson County, Alabama is in USDA Hardiness Zone 7b. The average last spring frost is April 7 and first fall frost is October 29.

When should I plant Radish in Jackson County, AL?

In Jackson County, AL, plant Radish after the last frost (around April 7) and before the first frost (around October 29). Best results when soil holds above 50°F.

What growing zone is Jackson County, AL for Radish?

Jackson County sits in USDA Zone 7b. Radish grows reliably in zones 2a through 11b, so it's a good fit here.

Can Radish grow in Jackson County's climate?

Yes — Radish grows well in Jackson County's temperate climate. Jackson County averages a 205-day frost-free season, with last frost around April 7 and first frost around October 29.

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Your Jackson County Garden Planner — Free

A 22-page printable planner built for Jackson County (Zone 7b). 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 Jackson County, AL. Local conditions may vary. Last updated: July 2026.

Sources & credits

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