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When to plant Radish in Jackson County, AR

Jackson County's spring Radish window runs March 12 through April 2. most warm-season crops establish quickly once soil holds above 60°F. A second sowing from August 26 to September 9 extends the harvest into fall.

When to Plant Radish in Jackson County, AR

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, Arkansas is in USDA Zone 8a. The average last spring frost is March 26 and the first fall frost is November 4, giving you a growing season of approximately 223 days.

At an elevation of 1,468 feet, Jackson County receives approximately 47.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91°F, providing good warmth for Radish during the growing season.

Jackson County, AR (Zone 8a) Long season
223 days
Last Spring Frost March 26
223 growing days
First Fall Frost November 4

Jackson County Soil Profile

Soil Type

Silt Loam

Soil pH

5.2-7

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 3.5" 0" ❄️ Dormant
Feb 3.7" 0" ❄️ Dormant
Mar 4.3" 4.1" 0.2" 💧 Light watering
Apr 4.3" 3.2" 1.1" 💧 Light watering
May 4.3" 4" 0.3" 💧 Light watering
Jun 4.3" 5" 0" ✅ Rainfall sufficient
Jul 4.3" 5.4" 0" ✅ Rainfall sufficient
Aug 4.3" 4.7" 0" ✅ Rainfall sufficient
Sep 4.3" 3.6" 0.7" 💧 Light watering
Oct 4.3" 2.7" 1.6" 💧 Light watering
Nov 4.3" 3.8" 0.5" 💧 Light watering
Dec 3.3" 0" ❄️ Dormant

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

Radish Planting Timeline — Jackson County, AR

Radish Planting Calendar

Activity When Date Range
Direct Sow March 12 Mar 12 – Apr 2
Harvest April 9 Apr 9 – Apr 30
Fall Sowing August 26 Aug 26 – Sep 9

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

Month-by-Month Timeline

MonthActivities
January
February
March Direct Sow
April Direct Sow Harvest
May
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 8a

📆 Growing Season

223 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, AR?

Jackson County is in Zone 8a with an average last frost of March 26. Plan your Radish planting based on this frost date — see the calendar above for exact timing.

What planting zone is Jackson County, AR?

Jackson County, Arkansas is in USDA Hardiness Zone 8a. The average last spring frost is March 26 and first fall frost is November 4.

When should I plant Radish in Jackson County, AR?

In Jackson County, AR, plant Radish after the last frost (around March 26) and before the first frost (around November 4). Best results when soil holds above 50°F.

What growing zone is Jackson County, AR for Radish?

Jackson County sits in USDA Zone 8a. 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 223-day frost-free season, with last frost around March 26 and first frost around November 4.

🌱

Your Jackson County Garden Planner — Free

A 22-page printable planner built for Jackson County (Zone 8a). 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, AR. Local conditions may vary. Last updated: July 2026.

Sources & credits

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