blissgarden.

When to plant in Bonham, TX

USDA Zone 8a

Bonham, Texas frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.

A generous ~242-day season lets Bonham gardeners direct-sow more and still ripen long-maturity crops like melons and winter squash. In zone 8a, Bonham supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.

Station · BONHAM 3NNE · 6.2 km
Last spring frost
March 16
50% chance · 32°F
First fall frost
November 13
50% chance · 32°F
Growing season
242 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for BonhamA year-band showing 32°F frost risk from January to December for Bonham: last spring frost around March 16, first fall frost around November 13, about 242 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

The average last spring frost in Bonham is now 10 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →

Frost probability

BONHAM 3NNE · 1991–2020

The 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 Bonham’s own odds, recorded at BONHAM 3NNE.

Frost-probability curves for BonhamProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around March 16 and the first fall frost around November 13, giving about 242 frost-free days.
Last spring frostFirst fall frostbold = 32°F · thin = 28°F / 36°F · dot = 50% date · band = 10–90% window
ThresholdSPRING 10%SPRING 50%SPRING 90%FALL 10%FALL 50%FALL 90%
36°FApr 19Mar 31Mar 11Oct 20Nov 3Nov 19
32°FApr 4Mar 16Feb 28Oct 29Nov 13Dec 1
28°FMar 22Mar 4Feb 13Nov 5Nov 24Dec 15

Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.

What to plant now

TODAY · JULY 19
Fall sowin 5 days
Brussels Sprouts
July 24August 7
Fall sowin 19 days
Rutabaga
August 7August 21

Add these crops to your calendar (.ics) ↓

Full-year planting calendar

Start indoorsTransplantDirect sowFall sow

Each bar is the exact window to take a planting action in Bonham, drawn to the day from the local frost dates. The dashed line is today.

Nearby weather stations

3 within 44 km · complete 32°F normals

When 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.

BONHAM 3NNE
Primary
6 km · 180 m elevation
SPRING
Mar 16
FALL
Nov 13
DURANT 6SSE MESONET
39 km · 197 m elevation
SPRING
Mar 19
FALL
Nov 12
SHERMAN
44 km · 232 m elevation
SPRING
Mar 14
FALL
Nov 19

Bonham planting FAQ

When is the last spring frost in Bonham, TX?

Plan for the last spring frost in Bonham around March 16 (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 Bonham, TX?

Expect Bonham's first fall frost near November 13 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.

What hardiness zone is Bonham in?

Bonham is in USDA hardiness zone 8a. In zone 8a, winters are mild — many tender perennials overwinter here.

How long is the growing season in Bonham?

Bonham has about 242 frost-free days — a long growing season — between the average last spring frost (March 16) and first fall frost (November 13).

When should I plant tomatoes in Bonham?

For Bonham, sow tomatoes indoors about January 19–February 2 and move the seedlings out around March 23, after the last spring frost.

Planting reminders

Never miss a window in Bonham

An email when it’s time to start seeds, transplant, and sow — timed to Bonham’s frost dates. Double opt-in, one-click unsubscribe, no spam.

Nearby cities

8 within reach

Frost dates recorded at BONHAM 3NNE, 6 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.

Cite this page
BlissGarden. "When to Plant in Bonham, TX — Frost Dates & Zone 8a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00410923. Retrieved from https://blissgarden.com/texas/bonham.