When to plant in Addison, TX
USDA Zone 8bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Addison, Texas — all computed from Addison's nearest NOAA weather station.
A generous ~259-day season lets Addison gardeners direct-sow more and still ripen long-maturity crops like melons and winter squash. Zone 8b means many perennials and even some tender shrubs overwinter in Addison, while your frost dates still decide when annuals go out.
Frost probability
RICHARDSON · 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 Addison’s own odds, recorded at RICHARDSON.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 11 | Mar 21 | Mar 2 | Oct 23 | Nov 10 | Nov 27 |
| 32°F | Mar 29 | Mar 7 | Feb 18 | Nov 2 | Nov 21 | Dec 9 |
| 28°F | Mar 12 | Feb 24 | Jan 27 | Nov 14 | Dec 4 | Dec 26 |
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 Addison, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 19 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.
Addison planting FAQ
When is the last spring frost in Addison, TX?
On average, the last spring frost in Addison is around March 7 (50% probability at 32°F, from 1991–2020 NOAA normals). Wait until after this date to set out tender plants like tomatoes and peppers.
When is the first fall frost in Addison, TX?
In Addison, the first 32°F freeze of fall lands around November 21 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Addison in?
Addison is in USDA hardiness zone 8b. In zone 8b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Addison?
There are roughly 259 frost-free days in Addison (a long growing season), running from the average last frost around March 7 to the first fall frost near November 21.
When should I plant tomatoes in Addison?
In Addison, start tomato seeds indoors around January 10–January 24, then transplant seedlings outdoors around March 14 once the danger of frost has passed.
Never miss a window in Addison
An email when it’s time to start seeds, transplant, and sow — timed to Addison’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Farmers Branch · 6 km
- Carrollton · 7 km
- Richardson · 12 km
- Plano · 13 km
- University Park · 13 km
- Coppell · 15 km
- The Colony · 15 km
- Lewisville · 16 km
Frost dates recorded at RICHARDSON, 9 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 Addison, TX — Frost Dates & Zone 8b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00417588. Retrieved from https://blissgarden.com/texas/addison.