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When to Plant Pumpkin in La Salle County, TX

La Salle County, Texas Zone 9a May

Your May planting checklist for La Salle County, Texas

Welcome to May in Zone 9a. These are the moves that will have the biggest impact on your growing season.

Avg. last frost February 14
Avg. first frost December 3
Soil temp (4") 67°F
Watering Low
Pest pressure High
Daylight 13.4 hrs
  1. Bring in the pumpkin

    Morning harvests are best — cooler temperatures mean crisper produce and longer fridge life.

Coming up in June — start thinking about
  • First harvests: pumpkin

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Pumpkins are large-fruited squash varieties grown for eating, decoration, and seed production. They require ample space and a long, warm growing season.

La Salle County, Texas is in USDA Zone 9a. The average last spring frost is February 14 and the first fall frost is December 3, giving you a growing season of approximately 292 days.

At an elevation of 2,270 feet, La Salle County receives approximately 57.2 inches of rainfall annually with predominantly loam soil. Summer highs average 92°F, providing good warmth for Pumpkin during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Pumpkin root diseases.

La Salle County, TX (Zone 9a) Year-round
292 days
Last Spring Frost February 14
292 growing days
First Fall Frost December 3

La Salle County Soil Profile

Soil Type

Loam

Soil pH

6.5-7.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (153 days to spare)
Start indoors: Jan 2 Transplant: Feb 6 🍅 Harvest: May 8 – Jun 26
Recommended (50%) ✓ Fits season (145 days to spare)
Start indoors: Jan 17 Transplant: Feb 21 🍅 Harvest: May 23 – Jul 11
Safe Start (90%) ✓ Fits season (134 days to spare)
Start indoors: Feb 14 Transplant: Mar 21 🍅 Harvest: Jun 20 – Aug 8

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 La Salle County

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

Soil pH

Your soil pH (6.5–7.6) overlaps with Pumpkin's range (6.0–7.5), though not a perfect match.

Soil Texture

The loam soil in La Salle County is excellent for Pumpkin — good drainage, moisture retention, and nutrient holding capacity.

Drainage

Drainage is adequate for Pumpkin.

Organic Matter

Organic matter is moderate (2.0%). Annual compost additions will help Pumpkin.

How to Plant Pumpkin

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

Plant Water Budget

Plant needs
1.3″/week
Rainfall provides
0.8″/week
You supply
0.9″/week
Watering frequency 2-3 times/week
Season total 2,269 gal / 100 sq ft

Monthly Watering Guide for Pumpkin

Pumpkin needs approximately 1.3 inches of water per week (5.6" per month). Here's how your county's rainfall compares month by month.

Month Pumpkin Needs Rainfall You Supplement Action
Jan 1.5" 0" ❄️ Dormant
Feb 5.6" 2" 3.6" 🚿 Regular watering
Mar 5.6" 3.4" 2.2" 💧 Light watering
Apr 5.6" 5.5" 0.1" 💧 Light watering
May 5.6" 7.4" 0" ✅ Rainfall sufficient
Jun 5.6" 10.2" 0" ✅ Rainfall sufficient
Jul 5.6" 7.3" 0" ✅ Rainfall sufficient
Aug 5.6" 7" 0" ✅ Rainfall sufficient
Sep 5.6" 5.8" 0" ✅ Rainfall sufficient
Oct 5.6" 3.6" 2" 💧 Light watering
Nov 5.6" 2" 3.6" 🚿 Regular watering
Dec 5.6" 1.6" 4" 🚿 Regular watering

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

Pumpkin 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.

Pumpkin needs ~1,948 GDD — county provides 5,567 GDD Excellent fit

Pumpkin Planting Timeline — La Salle County, TX

Pumpkin Planting Calendar

Activity When Date Range
Start Indoors January 17 Jan 17 – Jan 31
Transplant Outdoors February 21 Feb 21 – Mar 7
Direct Sow February 14 Feb 14 – Mar 7
Harvest May 23 May 23 – Jul 11

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

1.3"/week · 2-3 times/week

📅 Days to Maturity

85–120 days

🧪 Soil pH

Needs 6–7.5 · Your soil: acceptable

🗺️ USDA Zone

Zone 9a

📆 Growing Season

292 days in La Salle County

Growing Tips for Pumpkin in La Salle County

Direct sow Pumpkin outdoors after February 14 in La Salle County when soil has warmed and frost danger has passed.

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

General growing tips

Direct sow on mounds after last frost. Allow 6-10 feet between plants. Slip a board under developing fruit to prevent rot. Harvest when rind is hard and deep in color.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Pumpkin in La Salle County, TX?

La Salle County is in Zone 9a with an average last frost of February 14. Plan your Pumpkin planting based on this frost date — see the calendar above for exact timing.

What planting zone is La Salle County, TX?

La Salle County, Texas is in USDA Hardiness Zone 9a. The average last spring frost is February 14 and first fall frost is December 3.

🌱

Your La Salle County Garden Planner — Free

A 24-page printable planner built for La Salle 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 La Salle 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.