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When to Plant Watermelon in Hunt County, TX

Watermelon
Hunt County, Texas Zone 8b July

Your July planting checklist for Hunt County, Texas

Your Hunt County, Texas garden is entering a new phase. Here's what's on the schedule for July and why each task matters now.

Avg. last frost March 15
Avg. first frost November 15
Soil temp (4") 86°F
Watering Low
Pest pressure High
Daylight 14 hrs
  1. Pick watermelon

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

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Watermelon is a sprawling vine crop that produces sweet, juicy fruits in hot weather. Varieties range from personal-sized icebox types to 50-pound giants.

Hunt County, Texas is in USDA Zone 8b. The average last spring frost is March 15 and the first fall frost is November 15, giving you a growing season of approximately 245 days.

At an elevation of 1 feet, Hunt County receives approximately 57.7 inches of rainfall annually with predominantly clay soil. Summer highs average 93°F, providing good warmth for Watermelon during the growing season. Clay soil retains moisture well for Watermelon, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Watermelon root diseases.

Hunt County, TX (Zone 8b) Long season
245 days
Last Spring Frost March 15
245 growing days
First Fall Frost November 15

Hunt County Soil Profile

Soil Type

Clay

Soil pH

6.7-7.8

Drainage

Well Drained

Watermelon Planting Risk Windows

Early Start (70% safe) ✓ Fits season (108 days to spare)
Start indoors: Feb 7 Transplant: Mar 21 🍅 Harvest: May 30 – Jul 18
Recommended (50%) ✓ Fits season (112 days to spare)
Start indoors: Feb 15 Transplant: Mar 29 🍅 Harvest: Jun 7 – Jul 26
Safe Start (90%) ✓ Fits season (102 days to spare)
Start indoors: Mar 12 Transplant: Apr 23 🍅 Harvest: Jul 2 – Aug 20

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 Hunt County

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

Soil pH

Your soil pH (6.7–7.8) overlaps with Watermelon's range (6.0–7.5), though not a perfect match.

Soil Texture

Heavy clay soil (43% clay) in Hunt County compacts easily and drains slowly. Amend with compost and avoid working soil when wet.

Drainage

Drainage is adequate for Watermelon.

Organic Matter

Organic matter is moderate (3.2%). Annual compost additions will help Watermelon.

How to Plant Watermelon

1"
Planting Depth
30"
Between Plants
42"
Between Rows

Succession Planting Watermelon

4
successive plantings in your 245-day season

Sow every 8 weeks. Last sowing by Aug 07 to harvest before frost.

Watermelon Water Budget

Plant needs
1.5″/week
Rainfall provides
1.0″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 159 gal / 100 sq ft
Drought risk

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

Monthly Watering Guide for Watermelon

Watermelon needs approximately 1.5 inches of water per week (6.5" per month). Here's how your county's rainfall compares month by month.

Month Watermelon Needs Rainfall You Supplement Action
Jan 1.2" 0" ❄️ Dormant
Feb 2" 0" ❄️ Dormant
Mar 6.5" 3.6" 2.9" 💧 Light watering
Apr 6.5" 6.8" 0" ✅ Rainfall sufficient
May 6.5" 8.6" 0" ✅ Rainfall sufficient
Jun 6.5" 8.6" 0" ✅ Rainfall sufficient
Jul 6.5" 6.9" 0" ✅ Rainfall sufficient
Aug 6.5" 7.7" 0" ✅ Rainfall sufficient
Sep 6.5" 6" 0.5" 💧 Light watering
Oct 6.5" 3.1" 3.4" 🚿 Regular watering
Nov 6.5" 1.7" 4.8" 🚿 Regular watering
Dec 1.6" 0" ❄️ Dormant

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

Watermelon 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.

Watermelon needs ~1,679 GDD — county provides 4,838 GDD Excellent fit

Watermelon Planting Timeline — Hunt County, TX

Watermelon Planting Calendar

Activity When Date Range
Start Indoors February 15 Feb 15 – Mar 1
Transplant Outdoors March 29 Mar 29 – Apr 12
Direct Sow March 22 Mar 22 – Apr 12
Harvest June 7 Jun 7 – Jul 26

Plant 1" deep · 30" apart · Rows 42" apart

Month-by-Month Timeline

MonthActivities
January
February Start Indoors
March Start Indoors Transplant Outdoors Direct Sow
April Transplant Outdoors Direct Sow
May
June Harvest
July Harvest
August
September
October
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

1.5"/week · Only during dry spells

📅 Days to Maturity

70–100 days

🧪 Soil pH

Needs 6–7.5 · Your soil: acceptable

🗺️ USDA Zone

Zone 8b

📆 Growing Season

245 days in Hunt County

Growing Tips for Watermelon in Hunt County

Direct sow Watermelon outdoors after March 15 in Hunt County when soil has warmed and frost danger has passed.

With Hunt County's clay soil (43% clay), work in 3-4 inches of compost before planting Watermelon. Avoid tilling when soil is wet to prevent compaction.

Common pests for Watermelon in this region include squash vine borer and cucumber beetles. Use row covers early in the season and inspect plants weekly.

General growing tips

Start seeds indoors 3-4 weeks early or direct sow after soil is warm. Plant on mounds with plenty of space. Check ripeness by looking for a yellow ground spot and dull thump when tapped.

Recommended Watermelon Varieties for Hunt County

Full-size melons that thrive with your long season

Crimson Sweet (85d) Charleston Gray (85d) Moon and Stars (95d)

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Watermelon in Hunt County, TX?

Hunt County is in Zone 8b with an average last frost of March 15. Plan your Watermelon planting based on this frost date — see the calendar above for exact timing.

What planting zone is Hunt County, TX?

Hunt County, Texas is in USDA Hardiness Zone 8b. The average last spring frost is March 15 and first fall frost is November 15.

🌱

Your Hunt County Garden Planner — Free

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

Sources & credits

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