Frost Dates for Sherman, TX

In Sherman, TX, the average last spring frost is around Mar 14 and the average first fall frost around Nov 19, for a growing season of about 250 days. For frost-tender plants, wait until Apr 1, when the chance of frost drops to 10%.

Average last frostMar 1450% chance of frost after this date
Safe to plantApr 1only a 10% chance of frost after
Average first frostNov 1950% chance of frost before this date
Growing season250 daysfrost-free in an average year

Based on NOAA 1991–2020 records from the Sherman, TX weather station, 5 miles away, elevation 760 ft. Frost can come earlier in low spots and valleys and later near cities and large lakes.

Frost probability by date

Chance of a 32°F frost after the spring date, or before the fall date.

ChanceLast spring frostFirst fall frost
10%Apr 1Nov 2
20%Mar 27Nov 8
30%Mar 22Nov 12
40%Mar 18Nov 16
50%Mar 14Nov 19
60%Mar 10Nov 22
70%Mar 6Nov 26
80%Mar 2Dec 1
90%Feb 25Dec 6

Light frost vs. hard freeze

Average (50%) dates for each temperature. Tender plants are damaged at 36°F; most hardy crops survive until 28°F.

TemperatureLast in springFirst in fall
Light frost (36°F)Mar 28Nov 9
Frost / freeze (32°F)Mar 14Nov 19
Hard freeze (28°F)Mar 2Nov 30

Planting calendar for Sherman

Start indoors Plant outside Fall planting
JanFebMarAprMayJunJulAugSepOctNovDec
Tomatoes
Indoors Jan 17 – Jan 31
Transplant Mar 21 – Apr 4
Peppers
Indoors Jan 3 – Jan 17
Transplant Mar 28 – Apr 11
Eggplant
Indoors Jan 3 – Jan 17
Transplant Mar 28 – Apr 11
Basil
Indoors Jan 31 – Feb 14
Transplant Mar 21 – Apr 4
Cucumbers
Indoors Feb 14 – Feb 21
Sow or transplant Mar 21 – Apr 4
Zucchini and summer squash
Indoors Feb 14 – Feb 21
Sow or transplant Mar 21 – Apr 4
Pumpkins and winter squash
Sow Mar 21 – Apr 4
Watermelons and melons
Indoors Feb 14 – Feb 21
Sow or transplant Mar 28 – Apr 11
Green beans
Sow Mar 21 – Apr 4
Sweet corn
Sow Mar 21 – Apr 4
Lettuce
Indoors Jan 31 – Feb 14
Sow or transplant Feb 14 – Feb 28
Fall sowing Sep 24 – Oct 22
Spinach
Sow Jan 31 – Feb 21
Fall sowing Sep 24 – Oct 15
Peas
Sow Jan 31 – Feb 14
Fall sowing Sep 10 – Sep 24
Kale
Indoors Jan 17 – Jan 31
Sow or transplant Feb 14 – Feb 28
Fall sowing Sep 10 – Oct 8
Broccoli
Indoors Jan 17 – Jan 31
Transplant Feb 28 – Mar 14
Fall sowing Aug 27 – Sep 10
Cabbage
Indoors Jan 17 – Jan 31
Transplant Feb 21 – Mar 7
Fall sowing Aug 27 – Sep 10
Carrots
Sow Feb 21 – Mar 14
Fall sowing Aug 27 – Sep 10
Radishes
Sow Feb 7 – Feb 28
Fall sowing Oct 8 – Oct 29
Beets
Sow Feb 21 – Mar 14
Fall sowing Sep 10 – Sep 24
Onions (sets or transplants)
Indoors Dec 20 – Jan 3
Plant Feb 14 – Feb 28
Potatoes
Plant Feb 21 – Mar 7
Garlic
Plant Nov 19 – Dec 17

Based on the average last frost (Mar 14) and first frost (Nov 19). The dashed lines mark those dates. Seed packets list days to maturity; adjust for your varieties.

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