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When to Plant Radish in Palo Pinto County, TX

Palo Pinto County, Texas Zone 8a May

Your May game plan for Palo Pinto County, Texas

Welcome to May in Zone 8a. These are the moves that will have the biggest impact on your growing season.

Avg. last frost March 27
Avg. first frost November 10
Soil temp (4") 59°F
Watering Low
Pest pressure Moderate
Daylight 13.7 hrs
  1. Collect radish at their peak

    Check every 1–2 days. Many of these get tough or go to seed if you wait too long.

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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.

Palo Pinto County, Texas is in USDA Zone 8a. The average last spring frost is March 27 and the first fall frost is November 10, giving you a growing season of approximately 228 days.

At an elevation of 4,181 feet, Palo Pinto County receives approximately 58.8 inches of rainfall annually with predominantly clay soil. Summer highs average 88°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.

Palo Pinto County, TX (Zone 8a) Long season
228 days
Last Spring Frost March 27
228 growing days
First Fall Frost November 10

Palo Pinto County Soil Profile

Soil Type

Clay

Soil pH

6.9-8.1

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (179 days to spare)
Transplant: Mar 18 🍅 Harvest: Apr 15 – May 6
Recommended (50%) ✓ Fits season (179 days to spare)
Transplant: Mar 27 🍅 Harvest: Apr 24 – May 15
Safe Start (90%) ✓ Fits season (174 days to spare)
Transplant: Apr 16 🍅 Harvest: May 14 – Jun 4

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 Palo Pinto County

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

Soil pH

Your soil pH (6.9–8.1) is more alkaline than Radish prefers (6.0–7.0). Add sulfur or peat moss to lower pH.

Soil Texture

Your soil has 41% clay, which can cause forked or stunted roots for Radish. Use raised beds with loose, sandy mix for best results.

Organic Matter

Organic matter is moderate (2.7%). Annual compost additions will help Radish.

How to Plant Radish

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

Fall planting: Sow 10 weeks before your first frost date for a fall harvest.

Succession Planting Radish

13
successive plantings in your 228-day season

Sow every 2.4 weeks. Last sowing by Oct 06 to harvest before frost.

For a dedicated fall crop, sow by Sep 01.

Plant Water Budget

Plant needs
0.5″/week
Rainfall provides
1.1″/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 1.4" 0" ❄️ Dormant
Feb 1.9" 0" ❄️ Dormant
Mar 2.2" 3.8" 0" ✅ Rainfall sufficient
Apr 2.2" 6" 0" ✅ Rainfall sufficient
May 2.2" 9.3" 0" ✅ Rainfall sufficient
Jun 2.2" 10" 0" ✅ Rainfall sufficient
Jul 2.2" 6.4" 0" ✅ Rainfall sufficient
Aug 2.2" 6.7" 0" ✅ Rainfall sufficient
Sep 2.2" 6" 0" ✅ Rainfall sufficient
Oct 2.2" 4" 0" ✅ Rainfall sufficient
Nov 2.2" 1.7" 0.5" 💧 Light watering
Dec 1.7" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Palo Pinto 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 ~456 GDD — county provides 3,648 GDD Excellent fit

Radish Planting Timeline — Palo Pinto County, TX

Radish Planting Calendar

Activity When Date Range
Direct Sow March 13 Mar 13 – Apr 3
Harvest April 10 Apr 10 – May 1
Fall Sowing September 1 Sep 1 – Sep 15

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
September Fall Sowing
October
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_alkaline

🗺️ USDA Zone

Zone 8a

📆 Growing Season

228 days in Palo Pinto County

Growing Tips for Radish in Palo Pinto County

Direct sow Radish outdoors after March 27 in Palo Pinto County when soil has warmed and frost danger has passed.

With Palo Pinto County's clay soil (41% clay), work in 3-4 inches of compost before planting Radish. Avoid tilling when soil is wet to prevent compaction.

Your generous 228.0-day season in Palo Pinto 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.

With 59" of annual rainfall in Palo Pinto County, ensure good drainage for Radish — excess moisture can promote root rot and fungal diseases.

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 →

Frequently Asked Questions

When should I plant Radish in Palo Pinto County, TX?

Palo Pinto County is in Zone 8a with an average last frost of March 27. Plan your Radish planting based on this frost date — see the calendar above for exact timing.

What planting zone is Palo Pinto County, TX?

Palo Pinto County, Texas is in USDA Hardiness Zone 8a. The average last spring frost is March 27 and first fall frost is November 10.

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Your Palo Pinto County Garden Planner — Free

A 24-page printable planner built for Palo Pinto 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 Palo Pinto County, TX. Local conditions may vary. Last updated: May 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.