When should I plant tomatoes in ZIP 79901?

In ZIP 79901, the main tomatoes target is around Mar 22, based on the representative El Paso frost station and USDA zone 8b.

When should I start tomatoes seeds indoors in 79901?

Start tomatoes seeds indoors in ZIP 79901 around Feb 1, about 42 days before the Mar 15 last-frost estimate.

Is this a guaranteed planting date?

No. GrowZone uses frost-date estimates, hardiness zones, and crop timing rules for planning. Local microclimates and current weather can shift the right date.

ZIP 79901 planting calendar

When to plant tomatoes in El Paso, TX - Zone 8b

Q: When is the first frost in El Paso?

El Paso (ZIP 79901) has an average first fall frost around Nov 10, leaving about 240 frost-free days.

In ZIP 79901, plant tomatoes around Mar 22; this uses the El Paso frost station, USDA zone 8b, and tomatoes timing rules.

Your El Paso calendar has a 240-day estimated frost-free season. This estimate uses the representative El Paso frost station, USDA zone 8b, and tomatoes timing rules.

Source: el-paso-intl frost station, USDA zone 8b, last updated 2026-06-28. Verify locally before planting high-value crops because microclimates, current weather, and yard exposure can move the safe date.

USDA zone 8b El Paso frost station Texas A&M AgriLife Extension Updated 2026-06-28

Read the method

Answer first

When to start tomatoes seeds indoors in El Paso

In ZIP 79901, start tomatoes seeds indoors around Feb 1, about 42 days before the Mar 15 last-frost estimate.

Start tomatoes seeds indoors in El Paso around Feb 1, about 42 days before the Mar 15 last-frost estimate.

Seed starting schedule

Tomatoes dates for El Paso, TX

Step	Date	How to use it
Start Indoors	February 1, 2026	Start seeds under lights or in a bright indoor seed-starting space.
Transplant Outdoors	March 22, 2026	Move hardened-off seedlings outside after the frost-risk window.

Last frost

When is the last frost in El Paso?

El Paso (ZIP 79901) has an average last spring frost around Mar 15.

First frost

When is the first frost in El Paso?

The average first fall frost is around Nov 10, giving about 240 frost-free days.

Season map

Tomatoes windows by month

JanFebMarAprMayJunJulAugSepOctNovDec

Start indoors

Feb 1

Transplant

Mar 22

Harvest

Jun 8

Frost watch

Aug 24

Reminder workflow

Every date has a next action

Start tomatoes indoorsFeb 1

Last frost windowMar 15

Transplant tomatoesMar 22

First tomatoes harvest windowJun 8

Last tomatoes sowing targetAug 24

Signal	Value	Why it matters
Last frost estimate	March 15, 2026	Warm-season transplant risk starts falling after this window.
First frost estimate	November 10, 2026	Fall planting counts backward from this date.
Season length	240 days	Longer seasons can support succession crops.
Spacing	18-24 in	Airflow and root space affect yield.
Soil temperature	60 F+	Seeds and transplants stall in cold soil.

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Local data

Why this date changes by ZIP

El Paso frost history and USDA zone 8b shift the safe planting window. GrowZone uses a local representative station instead of one national rule.

Texas A&M AgriLife Extension is the kind of local source to verify against when a crop is expensive, weather is unusual, or your yard has a cold pocket.

Crop note

Tomatoes timing notes

Harden seedlings off for a week before transplanting. Tomatoes prefers full sun, 18-24 in spacing, and soil near 60 F+.

For fall, count backward from Nov 10. A conservative last sowing target is around Aug 24.