Frost Dates for Muskogee, OK

In Muskogee, OK, the average last spring frost is around Apr 7 and the average first fall frost around Oct 30, for a growing season of about 208 days. For frost-tender plants, wait until Apr 26, when the chance of frost drops to 10%.

Average last frostApr 750% chance of frost after this date
Safe to plantApr 26only a 10% chance of frost after
Average first frostOct 3050% chance of frost before this date
Growing season208 daysfrost-free in an average year

Based on NOAA 1991–2020 records from the Muskogee, OK weather station, 3 miles away, elevation 518 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 26Oct 16
20%Apr 20Oct 21
30%Apr 15Oct 25
40%Apr 11Oct 28
50%Apr 7Oct 30
60%Apr 3Nov 1
70%Mar 31Nov 4
80%Mar 27Nov 7
90%Mar 20Nov 13

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)Apr 18Oct 23
Frost / freeze (32°F)Apr 7Oct 30
Hard freeze (28°F)Mar 26Nov 8

Planting calendar for Muskogee

Start indoors Plant outside Fall planting
JanFebMarAprMayJunJulAugSepOctNovDec
Tomatoes
Indoors Feb 10 – Feb 24
Transplant Apr 14 – Apr 28
Peppers
Indoors Jan 27 – Feb 10
Transplant Apr 21 – May 5
Eggplant
Indoors Jan 27 – Feb 10
Transplant Apr 21 – May 5
Basil
Indoors Feb 24 – Mar 10
Transplant Apr 14 – Apr 28
Cucumbers
Indoors Mar 10 – Mar 17
Sow or transplant Apr 14 – Apr 28
Zucchini and summer squash
Indoors Mar 10 – Mar 17
Sow or transplant Apr 14 – Apr 28
Pumpkins and winter squash
Sow Apr 14 – Apr 28
Watermelons and melons
Indoors Mar 10 – Mar 17
Sow or transplant Apr 21 – May 5
Green beans
Sow Apr 14 – Apr 28
Sweet corn
Sow Apr 14 – Apr 28
Lettuce
Indoors Feb 24 – Mar 10
Sow or transplant Mar 10 – Mar 24
Fall sowing Sep 4 – Oct 2
Spinach
Sow Feb 24 – Mar 17
Fall sowing Sep 4 – Sep 25
Peas
Sow Feb 24 – Mar 10
Fall sowing Aug 21 – Sep 4
Kale
Indoors Feb 10 – Feb 24
Sow or transplant Mar 10 – Mar 24
Fall sowing Aug 21 – Sep 18
Broccoli
Indoors Feb 10 – Feb 24
Transplant Mar 24 – Apr 7
Fall sowing Aug 7 – Aug 21
Cabbage
Indoors Feb 10 – Feb 24
Transplant Mar 17 – Mar 31
Fall sowing Aug 7 – Aug 21
Carrots
Sow Mar 17 – Apr 7
Fall sowing Aug 7 – Aug 21
Radishes
Sow Mar 3 – Mar 24
Fall sowing Sep 18 – Oct 9
Beets
Sow Mar 17 – Apr 7
Fall sowing Aug 21 – Sep 4
Onions (sets or transplants)
Indoors Jan 13 – Jan 27
Plant Mar 10 – Mar 24
Potatoes
Plant Mar 17 – Mar 31
Garlic
Plant Oct 30 – Nov 27

Based on the average last frost (Apr 7) and first frost (Oct 30). The dashed lines mark those dates. Seed packets list days to maturity; adjust for your varieties.

Nearby cities

Broken ArrowBixbyJenksTulsaOwassoBartlesvilleShawneeStillwaterAll Oklahoma towns