Frost Dates for Liberty, MO
In Liberty, MO, the average last spring frost is around Apr 19 and the average first fall frost around Oct 17, for a growing season of about 181 days. For frost-tender plants, wait until May 5, when the chance of frost drops to 10%.
Based on NOAA 1991–2020 records from the Kearney 3E, MO weather station, 10 miles away, elevation 840 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% | May 5 | Oct 4 |
| 20% | Apr 30 | Oct 9 |
| 30% | Apr 26 | Oct 13 |
| 40% | Apr 23 | Oct 15 |
| 50% | Apr 19 | Oct 17 |
| 60% | Apr 15 | Oct 20 |
| 70% | Apr 12 | Oct 22 |
| 80% | Apr 9 | Oct 25 |
| 90% | Apr 4 | Oct 30 |
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 29 | Oct 8 |
| Frost / freeze (32°F) | Apr 19 | Oct 17 |
| Hard freeze (28°F) | Apr 8 | Oct 27 |
Planting calendar for Liberty
Transplant Apr 26 – May 10
Transplant May 3 – May 17
Transplant May 3 – May 17
Transplant Apr 26 – May 10
Sow or transplant Apr 26 – May 10
Sow or transplant Apr 26 – May 10
Sow or transplant May 3 – May 17
Sow or transplant Mar 22 – Apr 5
Fall sowing Aug 22 – Sep 19
Fall sowing Aug 22 – Sep 12
Fall sowing Aug 8 – Aug 22
Sow or transplant Mar 22 – Apr 5
Fall sowing Aug 8 – Sep 5
Transplant Apr 5 – Apr 19
Fall sowing Jul 25 – Aug 8
Transplant Mar 29 – Apr 12
Fall sowing Jul 25 – Aug 8
Fall sowing Jul 25 – Aug 8
Fall sowing Sep 5 – Sep 26
Fall sowing Aug 8 – Aug 22
Plant Mar 22 – Apr 5
Based on the average last frost (Apr 19) and first frost (Oct 17). The dashed lines mark those dates. Seed packets list days to maturity; adjust for your varieties.