Frost Dates for Little Rock, AR
In Little Rock, AR, the average last spring frost is around Mar 21 and the average first fall frost around Nov 10, for a growing season of about 234 days. For frost-tender plants, wait until Apr 6, when the chance of frost drops to 10%.
Based on NOAA 1991–2020 records from the Little Rock Airport Adams Fld, AR weather station, 7 miles away, elevation 258 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.
| Chance | Last spring frost | First fall frost |
|---|---|---|
| 10% | Apr 6 | Oct 29 |
| 20% | Apr 1 | Nov 1 |
| 30% | Mar 28 | Nov 4 |
| 40% | Mar 25 | Nov 7 |
| 50% | Mar 21 | Nov 10 |
| 60% | Mar 16 | Nov 13 |
| 70% | Mar 13 | Nov 17 |
| 80% | Mar 8 | Nov 20 |
| 90% | Mar 2 | Nov 25 |
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.
| Temperature | Last in spring | First in fall |
|---|---|---|
| Light frost (36°F) | Apr 3 | Oct 31 |
| Frost / freeze (32°F) | Mar 21 | Nov 10 |
| Hard freeze (28°F) | Mar 8 | Nov 21 |
Planting calendar for Little Rock
Transplant Mar 28 – Apr 11
Transplant Apr 4 – Apr 18
Transplant Apr 4 – Apr 18
Transplant Mar 28 – Apr 11
Sow or transplant Mar 28 – Apr 11
Sow or transplant Mar 28 – Apr 11
Sow or transplant Apr 4 – Apr 18
Sow or transplant Feb 21 – Mar 7
Fall sowing Sep 15 – Oct 13
Fall sowing Sep 15 – Oct 6
Fall sowing Sep 1 – Sep 15
Sow or transplant Feb 21 – Mar 7
Fall sowing Sep 1 – Sep 29
Transplant Mar 7 – Mar 21
Fall sowing Aug 18 – Sep 1
Transplant Feb 28 – Mar 14
Fall sowing Aug 18 – Sep 1
Fall sowing Aug 18 – Sep 1
Fall sowing Sep 29 – Oct 20
Fall sowing Sep 1 – Sep 15
Plant Feb 21 – Mar 7
Based on the average last frost (Mar 21) and first frost (Nov 10). The dashed lines mark those dates. Seed packets list days to maturity; adjust for your varieties.