Frost Dates for Aransas Pass, TX 78336

Last spring frost February 3 · First fall frost December 20 · 320 frost-free days · USDA Zone 10a

Frost probability for 78336

Frost10%50%90%
Spring (last frost)March 11February 3January 2
Fall (first frost)November 24December 20January 7

Dates come from NOAA 1971–2000 freeze probabilities at the nearest reporting station (37.3 km away); the 50% date is the median year.

Month by month in Aransas Pass

MonthWhat to do
JanuaryStart herbs, basil, and squash indoors (4–6 weeks before frost). Direct sow peas, spinach, and lettuce if soil is workable.
FebruaryLast frost around February 3. Transplant cold-hardy crops (broccoli, kale, cabbage). Harden off tomato and pepper seedlings.
MarchFrost has passed. Transplant tomatoes, peppers, and basil outdoors. Direct sow beans, cucumbers, squash, and zucchini.
AprilSuccession plant lettuce and greens. Keep beds weeded and watered consistently.
MayHarvest regularly to encourage production. Monitor for pests and disease.
JuneMidsummer: harvest beans, zucchini, cucumbers. Start brassica seeds indoors for fall.
JulyDirect sow carrots and beets for fall harvest. Start fall broccoli and kale indoors.
AugustDirect sow carrots and beets for fall harvest. Start fall broccoli and kale indoors.
SeptemberDirect sow carrots and beets for fall harvest. Start fall broccoli and kale indoors.
OctoberDirect sow carrots and beets for fall harvest. Start fall broccoli and kale indoors.
NovemberFirst fall frost approaching (around December 20). Transplant fall brassicas. Sow spinach, arugula, and radishes.
DecemberFirst frost around December 20. Harvest tomatoes and peppers before frost. Cover cold-hardy crops with row covers to extend the season.

What grows in a 320-day season

Frequently Asked Questions

What is the last frost date for Aransas Pass, TX (ZIP 78336)?

The median last spring frost date for Aransas Pass, TX (ZIP code 78336) is around February 3. This is the 50th-percentile date — meaning half of all years see frost end before this date. Use the 10% and 90% dates to understand the full range of risk in your area.

What is the first fall frost date in Aransas Pass, TX?

The median first fall frost date for Aransas Pass, TX is around December 20. Plan to harvest or protect frost-sensitive crops like tomatoes and peppers at least a week before this date to avoid losses.

How long is the growing season in Aransas Pass, TX?

The frost-free growing season in Aransas Pass is about 320 days. This window — from your last spring frost to your first fall frost — is when warm-season vegetables thrive. Cold-hardy crops like kale, spinach, and peas can extend your season by weeks on either side.

What USDA hardiness zone is Aransas Pass, TX?

Based on frost date patterns, Aransas Pass falls approximately in 10a. USDA hardiness zones are determined by average annual minimum winter temperatures and guide both plant selection and planting timing for your location.

When should I start tomatoes indoors in Aransas Pass, TX?

Start tomato seeds indoors 6–8 weeks before your last frost date (around February 3). For Aransas Pass, that's roughly December 9 to December 23. Transplant outdoors 1–2 weeks after your last frost.

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