When to plant in La Marque, TX
USDA Zone 9bLa Marque, Texas frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
With about 317 frost-free days, La Marque supports back-to-back plantings; stagger sowings every few weeks to keep beds productive spring through fall. Zone 9b is warm enough that La Marque can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.
The average last spring frost in La Marque is now 12 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
HOUSTON NWSO · 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 La Marque’s own odds, recorded at HOUSTON NWSO.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Mar 17 | Feb 22 | Jan 21 | Nov 9 | Nov 29 | Dec 22 |
| 32°F | Mar 5 | Jan 31 | Dec 25 | Nov 19 | Dec 14 | Jan 19 |
| 28°F | Feb 24 | Jan 17 | Dec 19 | Dec 6 | Jan 3 | Feb 5 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Nothing new to sow or transplant outdoors in the next few weeks — a seasonal lull. Check the full-year calendar below for the next window.
Full-year planting calendar
Each bar is the exact window to take a planting action in La Marque, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 20 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.
La Marque planting FAQ
When is the last spring frost in La Marque, TX?
La Marque's average last spring frost falls near January 31 — 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 La Marque, TX?
In La Marque, the first 32°F freeze of fall lands around December 14 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is La Marque in?
La Marque is in USDA hardiness zone 9b. In zone 9b, winters are mild — many tender perennials overwinter here.
How long is the growing season in La Marque?
There are roughly 317 frost-free days in La Marque (a long growing season), running from the average last frost around January 31 to the first fall frost near December 14.
When should I plant tomatoes in La Marque?
In La Marque, start tomato seeds indoors around December 6–December 20, then transplant seedlings outdoors around February 7 once the danger of frost has passed.
Never miss a window in La Marque
An email when it’s time to start seeds, transplant, and sow — timed to La Marque’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Santa Fe · 11 km
- Dickinson · 11 km
- Texas City · 12 km
- League City · 17 km
- Galveston · 21 km
- Webster · 22 km
- Alvin · 23 km
- Seabrook · 25 km
Frost dates recorded at HOUSTON NWSO, 14 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 La Marque, TX — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00414333. Retrieved from https://blissgarden.com/texas/la-marque.