When to plant in Richmond, TX
USDA Zone 9bEverything below — frost dates, hardiness zone, and what to plant when in Richmond, Texas — is derived from the closest NOAA station with complete climate normals.
A generous ~307-day season lets Richmond gardeners direct-sow more and still ripen long-maturity crops like melons and winter squash. In zone 9b, frost is a minor factor for Richmond — most perennials thrive, and annual vegetables can go out early and stay late.
Frost probability
SUGAR LAND · 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 Richmond’s own odds, recorded at SUGAR LAND.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Mar 25 | Mar 2 | Feb 2 | Nov 9 | Nov 29 | Dec 20 |
| 32°F | Mar 11 | Feb 9 | Jan 13 | Nov 19 | Dec 13 | Jan 13 |
| 28°F | Feb 28 | Jan 28 | Dec 26 | Nov 30 | Jan 1 | Feb 2 |
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 Richmond, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 17 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.
Richmond planting FAQ
When is the last spring frost in Richmond, TX?
Plan for the last spring frost in Richmond around February 9 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.
When is the first fall frost in Richmond, TX?
In Richmond, the first 32°F freeze of fall lands around December 13 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Richmond in?
Richmond is in USDA hardiness zone 9b. In zone 9b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Richmond?
Richmond has about 307 frost-free days — a long growing season — between the average last spring frost (February 9) and first fall frost (December 13).
When should I plant tomatoes in Richmond?
For Richmond, sow tomatoes indoors about December 15–December 29 and move the seedlings out around February 16, after the last spring frost.
Never miss a window in Richmond
An email when it’s time to start seeds, transplant, and sow — timed to Richmond’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Pecan Grove · 5 km
- Rosenberg · 7 km
- Sugar Land · 12 km
- Four Corners · 14 km
- Mission Bend · 15 km
- Fulshear · 17 km
- Cinco Ranch · 18 km
- Stafford · 19 km
Frost dates recorded at SUGAR LAND, 11 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 Richmond, TX — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00418728. Retrieved from https://blissgarden.com/texas/richmond.