Frost Dates for Horn Lake, MS
In Horn Lake, MS, the average last spring frost is around Mar 16 and the average first fall frost around Nov 16, for a growing season of about 244 days. For frost-tender plants, wait until Apr 4, when the chance of frost drops to 10%.
Based on NOAA 1991–2020 records from the Memphis Intl. Airport, TN weather station, 8 miles away, elevation 254 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 4 | Nov 2 |
| 20% | Mar 29 | Nov 6 |
| 30% | Mar 24 | Nov 9 |
| 40% | Mar 20 | Nov 13 |
| 50% | Mar 16 | Nov 16 |
| 60% | Mar 13 | Nov 19 |
| 70% | Mar 9 | Nov 23 |
| 80% | Mar 4 | Nov 27 |
| 90% | Feb 27 | Dec 3 |
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) | Mar 29 | Nov 5 |
| Frost / freeze (32°F) | Mar 16 | Nov 16 |
| Hard freeze (28°F) | Mar 4 | Nov 28 |
Planting calendar for Horn Lake
Transplant Mar 23 – Apr 6
Transplant Mar 30 – Apr 13
Transplant Mar 30 – Apr 13
Transplant Mar 23 – Apr 6
Sow or transplant Mar 23 – Apr 6
Sow or transplant Mar 23 – Apr 6
Sow or transplant Mar 30 – Apr 13
Sow or transplant Feb 16 – Mar 2
Fall sowing Sep 21 – Oct 19
Fall sowing Sep 21 – Oct 12
Fall sowing Sep 7 – Sep 21
Sow or transplant Feb 16 – Mar 2
Fall sowing Sep 7 – Oct 5
Transplant Mar 2 – Mar 16
Fall sowing Aug 24 – Sep 7
Transplant Feb 23 – Mar 9
Fall sowing Aug 24 – Sep 7
Fall sowing Aug 24 – Sep 7
Fall sowing Oct 5 – Oct 26
Fall sowing Sep 7 – Sep 21
Plant Feb 16 – Mar 2
Based on the average last frost (Mar 16) and first frost (Nov 16). The dashed lines mark those dates. Seed packets list days to maturity; adjust for your varieties.