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When to plant Radish in Hamilton County, FL

Plant Radish in Hamilton County from February 11 to March 4 in spring. Hamilton County sits in USDA Zone 9a, with last frost around March 4 and first frost on November 26. A second sowing from October 1 to October 15 extends the harvest into fall.

When to Plant Radish in Hamilton County, FL

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.

Hamilton County, Florida is in USDA Zone 9a. The average last spring frost is March 4 and the first fall frost is November 26, giving you a growing season of approximately 267 days.

At an elevation of 279 feet, Hamilton County receives approximately 61.2 inches of rainfall annually with predominantly sand soil. Summer highs average 93°F, providing good warmth for Radish during the growing season. Sandy soil warms quickly in spring — great for early planting — but Radish will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Radish root diseases.

Hamilton County, FL (Zone 9a) Long season
267 days
Last Spring Frost March 4
267 growing days
First Fall Frost November 26

Hamilton County Soil Profile

Soil Type

Sand

Soil pH

5.2-5.7

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 3.2" 0" ❄️ Dormant
Feb 3.1" 0" ❄️ Dormant
Mar 4.3" 3.3" 1" 💧 Light watering
Apr 4.3" 2.4" 1.9" 💧 Light watering
May 4.3" 3.4" 0.9" 💧 Light watering
Jun 4.3" 9.3" 0" ✅ Rainfall sufficient
Jul 4.3" 8.8" 0" ✅ Rainfall sufficient
Aug 4.3" 9.2" 0" ✅ Rainfall sufficient
Sep 4.3" 8.5" 0" ✅ Rainfall sufficient
Oct 4.3" 5" 0" ✅ Rainfall sufficient
Nov 4.3" 2.7" 1.6" 💧 Light watering
Dec 2.4" 0" ❄️ Dormant

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

Radish Planting Timeline — Hamilton County, FL

Radish Planting Calendar

Activity When Date Range
Direct Sow February 11 Feb 11 – Mar 4
Harvest March 11 Mar 11 – Apr 1
Fall Sowing October 1 Oct 1 – Oct 15

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

Month-by-Month Timeline

MonthActivities
January
February Direct Sow
March Direct Sow Harvest
April Harvest
May
June
July
August
September
October Fall Sowing
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 9a

📆 Growing Season

267 days in Hamilton County

Growing Tips for Hamilton 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 Hamilton County, FL?

Hamilton County is in Zone 9a with an average last frost of March 4. Plan your Radish planting based on this frost date — see the calendar above for exact timing.

What planting zone is Hamilton County, FL?

Hamilton County, Florida is in USDA Hardiness Zone 9a. The average last spring frost is March 4 and first fall frost is November 26.

When should I plant Radish in Hamilton County, FL?

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

What growing zone is Hamilton County, FL for Radish?

Hamilton County sits in USDA Zone 9a. Radish grows reliably in zones 2a through 11b, so it's a good fit here.

Can Radish grow in Hamilton County's climate?

Yes — Radish grows well in Hamilton County's temperate climate. Hamilton County averages a 267-day frost-free season, with last frost around March 4 and first frost around November 26.

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Your Hamilton County Garden Planner — Free

A 22-page printable planner built for Hamilton County (Zone 9a). 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 Hamilton County, FL. Local conditions may vary. Last updated: July 2026.

Sources & credits

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