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When to plant Radish in Williston, FL

Williston sits in USDA Zone 9a. Plant Radish between February 9 (after last frost on March 2) and March 2. A second sowing from October 3 to October 17 extends the harvest into fall.

When to Plant Radish in Williston, FL

Levy County, Florida Zone 9a July

Levy County, Florida gardeners: here's your July plan

We've pulled the most time-sensitive tasks for Levy County, Florida this July and put them front and centre. Tackle them in order.

Avg. last frost March 2
Avg. first frost November 28
Soil temp (4") 95°F
Watering Low
Pest pressure High
Daylight 13.7 hrs

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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.

Williston, Florida is in USDA Zone 9a. The average last spring frost is March 2 and the first fall frost is November 28, giving you a growing season of approximately 271 days.

At an elevation of 305 feet, Levy County receives approximately 50.5 inches of rainfall annually with predominantly sand soil. Summer highs average 100°F, so Radish may need afternoon shade and extra watering during peak heat. 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.

Williston, FL (Zone 9a) Year-round
271 days
Last Spring Frost March 2
271 growing days
First Fall Frost November 28

Williston Soil Profile

Soil Type

Sand

Soil pH

4.9-6.2

Drainage

Well Drained

Radish Planting Risk Windows

Early Start (70% safe) ✓ Fits season (232 days to spare)
Transplant: Feb 14 🍅 Harvest: Mar 14 – Apr 4
Recommended (50%) ✓ Fits season (222 days to spare)
Transplant: Mar 2 🍅 Harvest: Mar 30 – Apr 20
Safe Start (90%) ✓ Fits season (221 days to spare)
Transplant: Mar 25 🍅 Harvest: Apr 22 – May 13

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.

Soil Compatibility in Williston

How your county's soil matches Radish's growing requirements.

Soil pH

Your soil pH (4.9–6.2) is more acidic than Radish prefers (6.0–7.0). Add garden lime to raise pH.

Soil Texture

Sandy soil in Levy County warms quickly in spring but drains fast. Radish will need more frequent watering and regular compost additions to retain nutrients.

Drainage

Drainage is adequate for Radish.

Organic Matter

Organic matter is low (1.3%). Add 2-3 inches of compost before planting Radish.

How to Plant Radish

0.5"
Planting Depth
2"
Between Plants
6"
Between Rows

Fall planting: Sow 8 weeks before your first frost date for a fall harvest.

Succession Planting Radish

15
successive plantings in your 271-day season

Sow every 2.4 weeks. Last sowing by Oct 24 to harvest before frost.

For a dedicated fall crop, sow by Oct 03.

Radish Water Budget

Plant needs
0.5″/week
Rainfall provides
0.8″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Drought risk

Water stress score is 6/10 — consider drought-tolerant varieties and mulching

Monthly Watering Guide for Radish

Radish needs approximately 0.5 inches of water per week (2.2" per month). Here's how your county's rainfall compares month by month.

Month Radish Needs Rainfall You Supplement Action
Jan 2.4" 0" ❄️ Dormant
Feb 2.9" 0" ❄️ Dormant
Mar 2.2" 3.5" 0" ✅ Rainfall sufficient
Apr 2.2" 2.1" 0.1" 💧 Light watering
May 2.2" 3" 0" ✅ Rainfall sufficient
Jun 2.2" 7.3" 0" ✅ Rainfall sufficient
Jul 2.2" 8" 0" ✅ Rainfall sufficient
Aug 2.2" 7.1" 0" ✅ Rainfall sufficient
Sep 2.2" 6.1" 0" ✅ Rainfall sufficient
Oct 2.2" 3.8" 0" ✅ Rainfall sufficient
Nov 2.2" 1.9" 0.3" 💧 Light watering
Dec 2.4" 0" ❄️ Dormant

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

Radish Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Radish needs ~712 GDD — county provides 6,775 GDD Excellent fit

Radish Planting Timeline — Williston, FL

Radish Planting Calendar

Activity When Date Range
Direct Sow February 9 Feb 9 – Mar 2
Harvest March 9 Mar 9 – Mar 30
Fall Sowing October 3 Oct 3 – Oct 17

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.5"/week · Natural rainfall sufficient

📅 Days to Maturity

22–35 days

🧪 Soil pH

Needs 6–7 · Your soil: too_acidic

🗺️ USDA Zone

Zone 9a

📆 Growing Season

271 days in Levy County

Growing Tips for Radish in Williston

Direct sow Radish outdoors after March 02 in Levy County when soil has warmed and frost danger has passed.

Sandy soil in Levy County dries quickly — mulch Radish with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.

Summer highs in Levy County reach 100°F — grow Radish as a spring or fall crop. Use shade cloth if planting in summer.

Your generous 271.0-day season in Levy County allows multiple plantings of Radish. Sow every 11.0 days for continuous harvest.

Common pests for Radish in this region include cabbage worm and flea beetles. Use row covers early in the season and inspect plants weekly.

General growing tips

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 →

When should I plant Radish in Williston, FL?

In Williston, FL, plant Radish after the last frost (around March 2) and before the first frost (around November 28). Best results when soil holds above 50°F.

What growing zone is Williston, FL for Radish?

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

Can Radish grow in Williston's climate?

Yes — Radish grows well in Williston's temperate climate. Williston averages a 271-day frost-free season, with last frost around March 2 and first frost around November 28.

🌱

Your Levy County Garden Planner — Free

A 22-page printable planner built for Levy 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 Levy County, FL. Local conditions may vary. Last updated: July 2026.