Frost dates for 38686Walls, MS
The average last spring frost in Walls is March 19 and the average first fall frost is November 10, giving a typical growing season of about 235 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 19
- Average first fall frost
- Nov 10
- Growing season
- 235 days
Safer after Apr 7 (1-in-10 risk)
Possible by Oct 28 (1-in-10 risk)
First frost typically in 7 days
Frost risk by date
NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.
| Temperature | Last spring: 90% / 50% / 10% chance | First fall: 10% / 50% / 90% chance | Growing season (50%) | Years with at least one |
|---|---|---|---|---|
| Light frost (36°F) | Mar 14 · Apr 2 · Apr 20 | Oct 17 · Oct 31 · Nov 15 | 212 days | 100% |
| Frost / freeze (32°F) | Mar 1 · Mar 19 · Apr 7 | Oct 28 · Nov 10 · Nov 30 | 235 days | 100% |
| Hard freeze (28°F) | Feb 16 · Mar 7 · Mar 31 | Nov 5 · Nov 22 · Dec 14 | 260 days | 100% |
Planting calendar for Walls
Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.
| Crop | Task | Window |
|---|---|---|
| Tomatoes | Start seeds indoors | Feb 16 – Apr 24 |
| Tomatoes | Transplant outdoors | Apr 4 – Jul 21 |
| Peppers | Start seeds indoors | Feb 16 – Mar 19 |
| Peppers | Transplant outdoors | Apr 18 – May 19 |
| Eggplant | Start seeds indoors | Mar 5 – Apr 3 |
| Eggplant | Transplant outdoors | Apr 18 – May 19 |
| Cucumbers | Sow outdoors | Apr 18 – Jul 31 |
| Summer squash | Sow outdoors | Apr 4 – May 19 |
| Winter squash & pumpkins | Sow outdoors | Apr 18 – May 19 |
| Snap beans | Sow outdoors | Apr 4 – Aug 23 |
| Sweet corn | Sow outdoors | Apr 4 – Jul 21 |
| Watermelon & cantaloupe | Sow outdoors | Apr 18 – May 19 |
| Okra | Sow outdoors | Apr 11 – May 4 |
| Peas | Sow outdoors (spring) | Feb 16 – Apr 3 |
| Potatoes | Plant outdoors (spring) | Feb 16 – Apr 18 |
| Onions | Start seeds indoors (spring) | Jan 5 – Feb 1 |
| Onions | Transplant outdoors (spring) | Mar 5 – Apr 3 |
| Broccoli | Start seeds indoors (spring) | Jan 29 – Mar 4 |
| Broccoli | Transplant outdoors (spring) | Mar 5 – Apr 3 |
| Broccoli | Start seeds indoors (fall) | Jul 11 – Jul 21 |
| Broccoli | Transplant outdoors (fall) | Aug 10 – Aug 21 |
| Cabbage | Start seeds indoors (spring) | Jan 19 – Feb 16 |
| Cabbage | Transplant outdoors (spring) | Feb 16 – Mar 19 |
| Cabbage | Start seeds indoors (fall) | Jul 1 – Jul 31 |
| Cabbage | Transplant outdoors (fall) | Jul 31 – Aug 31 |
| Leaf lettuce | Sow outdoors (spring) | Feb 16 – May 4 |
| Leaf lettuce | Sow outdoors (fall) | Jul 31 – Sep 16 |
| Spinach | Sow outdoors (spring) | Feb 9 – Mar 25 |
| Spinach | Sow outdoors (fall) | Aug 17 – Sep 21 |
| Radishes | Sow outdoors (spring) | Feb 16 – Apr 8 |
| Radishes | Sow outdoors (fall) | Jul 31 – Oct 1 |
| Kale | Sow outdoors (spring) | Mar 5 – Mar 25 |
| Kale | Sow outdoors (fall) | Jul 24 – Aug 31 |
| Carrots | Sow outdoors (spring) | Mar 19 – May 4 |
| Carrots | Sow outdoors (fall) | Jul 1 – Aug 16 |
| Garlic | Plant outdoors (fall) | Oct 31 – Dec 1 |
Where these dates come from
ZIP code 38686 is matched to the NOAA station W Memphis, AR, 18.6 km away, at 215 ft elevation (2 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| W Memphis, AR (used) | 215 ft | Mar 19 | Nov 10 |
| Memphis Intl Ap, TN | 254 ft | Mar 16 | Nov 16 |
| West Memphis Muni Ap, AR | 214 ft | Mar 16 | Nov 11 |
| Hernando, MS | 380 ft | Mar 28 | Nov 5 |
Frost dates near Walls
- Walls, MS 38680 · last Mar 16, first Nov 16
- Lake Cormorant, MS 38641 · last Mar 28, first Nov 5
- Horn Lake, MS 38637 · last Mar 16, first Nov 16
- Memphis, TN 38109 · last Mar 16, first Nov 16
- Southaven, MS 38671 · last Mar 16, first Nov 16
- Nesbit, MS 38651 · last Mar 28, first Nov 5
- Proctor, AR 72376 · last Mar 16, first Nov 11
- Hernando, MS 38632 · last Mar 28, first Nov 5
Frequently asked questions
- When is the last frost in Walls, MS?
- For ZIP code 38686, the average last spring frost (32°F) is March 19, based on NOAA 1991-2020 climate normals for the W Memphis, AR weather station. There is a 1-in-10 chance of a frost after April 7.
- When is the first frost in Walls, MS?
- The average first fall frost (32°F) is November 10. There is a 1-in-10 chance of frost by October 28, so tender plants are at risk from that point on.
- How long is the growing season in 38686?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 235 days long.
- Are these frost dates a forecast?
- No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.