When to plant in Leander, TX
USDA Zone 9aEverything below — frost dates, hardiness zone, and what to plant when in Leander, Texas — is derived from the closest NOAA station with complete climate normals.
A generous ~263-day season lets Leander gardeners direct-sow more and still ripen long-maturity crops like melons and winter squash. Heads up: the nearest complete-normals station is about 18 km from Leander, so your yard's frost dates can differ — a low spot or a paved city center can shift them by a week. Zone 9a is warm enough that Leander can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.
Frost probability
GEORGETOWN LAKE · 1991–2020The date the last spring and first fall frost occur, by threshold and probability. A 90% date is later in spring — and earlier in fall — than a 10% date; the 50% · 32°F row is what most gardeners plan around. These are Leander’s own odds, recorded at GEORGETOWN LAKE.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 10 | Mar 22 | Mar 1 | Oct 31 | Nov 13 | Dec 1 |
| 32°F | Mar 30 | Mar 6 | Feb 13 | Nov 5 | Nov 24 | Dec 10 |
| 28°F | Mar 16 | Feb 23 | Jan 24 | Nov 15 | Dec 5 | Jan 1 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Full-year planting calendar
Each bar is the exact window to take a planting action in Leander, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 22 km · complete 32°F normalsWhen stations disagree by more than a few days, that spread is real microclimate variation — elevation, water, urban heat. Judge which station best matches your own yard.
Leander planting FAQ
When is the last spring frost in Leander, TX?
Leander's average last spring frost falls near March 6 — the 50% mark at 32°F in the 1991–2020 normals. Hold tender transplants until the risk has passed, then plant out.
When is the first fall frost in Leander, TX?
Expect Leander's first fall frost near November 24 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Leander in?
Leander is in USDA hardiness zone 9a. In zone 9a, winters are mild — many tender perennials overwinter here.
How long is the growing season in Leander?
There are roughly 263 frost-free days in Leander (a long growing season), running from the average last frost around March 6 to the first fall frost near November 24.
When should I plant tomatoes in Leander?
In Leander, start tomato seeds indoors around January 9–January 23, then transplant seedlings outdoors around March 13 once the danger of frost has passed.
Never miss a window in Leander
An email when it’s time to start seeds, transplant, and sow — timed to Leander’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Cedar Park · 8 km
- Brushy Creek · 14 km
- Georgetown · 19 km
- Round Rock · 20 km
- Wells Branch · 23 km
- Steiner Ranch · 23 km
- Lakeway · 27 km
- Pflugerville · 29 km
Frost dates recorded at GEORGETOWN LAKE, 18 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.
BlissGarden. "When to Plant in Leander, TX — Frost Dates & Zone 9a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00413507. Retrieved from https://blissgarden.com/texas/leander.