What Can Grow in Houston, TX

Houston's subtropical climate near the Gulf has near year-round growing with hot humid summers.

Houston, TX is in USDA Hardiness Zone 9a. The growing season lasts about 270 days, with last frost around February 1 and first fall frost around November 25. Top crops include tomatoes, peppers, okra.

9aUSDA Zone
270 daysFrost-Free
February 1Last Frost
November 25First Frost
🌱 What Grows in Houston
tomatoespeppersokrasweet potatoescitrusherbs
💡 Planting Tips

Near year-round. Plant tomatoes Feb and September. Summer too hot for many crops — plant early.

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📍 Full Zone 9a Guide 🌎 Texas Planting Guide

Frequently Asked Questions

Houston, TX is in USDA Plant Hardiness Zone 9a. Houston's subtropical climate near the Gulf has near year-round growing with hot humid summers.

The average last spring frost in Houston is around February 1. The first fall frost typically arrives around November 25, giving a frost-free growing season of approximately 270 days.

Houston's Zone 9a climate supports growing tomatoes, peppers, okra, sweet potatoes, citrus, herbs. Near year-round. Plant tomatoes Feb and September. Summer too hot for many crops — plant early.

In Houston, start with cool-season crops like lettuce, spinach, and broccoli a few weeks before the last frost date of February 1. Warm-season crops like tomatoes and peppers should go in after all frost risk has passed.