Frost dates for 39059Crystal Springs, MS
The average last spring frost in Crystal Springs is March 11 and the average first fall frost is November 16, giving a typical growing season of about 250 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 11
- Average first fall frost
- Nov 16
- Growing season
- 250 days
Safer after Mar 30 (1-in-10 risk)
Possible by Nov 1 (1-in-10 risk)
First frost typically in 13 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 6 · Mar 26 · Apr 12 | Oct 25 · Nov 6 · Nov 22 | 225 days | 100% |
| Frost / freeze (32°F) | Feb 21 · Mar 11 · Mar 30 | Nov 1 · Nov 16 · Dec 6 | 250 days | 100% |
| Hard freeze (28°F) | Jan 31 · Feb 26 · Mar 16 | Nov 7 · Nov 28 · Dec 27 | 277 days | 100% |
Planting calendar for Crystal Springs
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 8 – Apr 16 |
| Tomatoes | Transplant outdoors | Mar 27 – Jul 27 |
| Peppers | Start seeds indoors | Feb 8 – Mar 11 |
| Peppers | Transplant outdoors | Apr 10 – May 11 |
| Eggplant | Start seeds indoors | Feb 25 – Mar 26 |
| Eggplant | Transplant outdoors | Apr 10 – May 11 |
| Cucumbers | Sow outdoors | Apr 10 – Aug 6 |
| Summer squash | Sow outdoors | Mar 27 – May 11 |
| Winter squash & pumpkins | Sow outdoors | Apr 10 – May 11 |
| Snap beans | Sow outdoors | Mar 27 – Aug 29 |
| Sweet corn | Sow outdoors | Mar 27 – Jul 27 |
| Watermelon & cantaloupe | Sow outdoors | Apr 10 – May 11 |
| Okra | Sow outdoors | Apr 3 – Apr 26 |
| Peas | Sow outdoors (spring) | Feb 8 – Mar 26 |
| Potatoes | Plant outdoors (spring) | Feb 8 – Apr 10 |
| Onions | Start seeds indoors (spring) | Dec 28 – Jan 24 |
| Onions | Transplant outdoors (spring) | Feb 25 – Mar 26 |
| Broccoli | Start seeds indoors (spring) | Jan 21 – Feb 24 |
| Broccoli | Transplant outdoors (spring) | Feb 25 – Mar 26 |
| Broccoli | Start seeds indoors (fall) | Jul 17 – Jul 27 |
| Broccoli | Transplant outdoors (fall) | Aug 16 – Aug 27 |
| Cabbage | Start seeds indoors (spring) | Jan 11 – Feb 8 |
| Cabbage | Transplant outdoors (spring) | Feb 8 – Mar 11 |
| Cabbage | Start seeds indoors (fall) | Jul 7 – Aug 6 |
| Cabbage | Transplant outdoors (fall) | Aug 6 – Sep 6 |
| Leaf lettuce | Sow outdoors (spring) | Feb 8 – Apr 26 |
| Leaf lettuce | Sow outdoors (fall) | Aug 6 – Sep 22 |
| Spinach | Sow outdoors (spring) | Feb 1 – Mar 17 |
| Spinach | Sow outdoors (fall) | Aug 23 – Sep 27 |
| Radishes | Sow outdoors (spring) | Feb 8 – Mar 31 |
| Radishes | Sow outdoors (fall) | Aug 6 – Oct 7 |
| Kale | Sow outdoors (spring) | Feb 25 – Mar 17 |
| Kale | Sow outdoors (fall) | Jul 30 – Sep 6 |
| Carrots | Sow outdoors (spring) | Mar 11 – Apr 26 |
| Carrots | Sow outdoors (fall) | Jul 7 – Aug 22 |
| Garlic | Plant outdoors (fall) | Nov 6 – Dec 7 |
Where these dates come from
ZIP code 39059 is matched to the NOAA station Crystal Spgs Exp Stn, MS, 5.3 km away, at 487 ft elevation (41 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Crystal Spgs Exp Stn, MS (used) | 487 ft | Mar 11 | Nov 16 |
| Hazlehurst 5 Sw, MS | 600 ft | Mar 14 | Nov 13 |
| Oakley Exp Stn, MS | 205 ft | Mar 16 | Nov 6 |
| Jackson Hawkins Fld, MS | 342 ft | Mar 6 | Nov 19 |
Frost dates near Crystal Springs
- Gallman, MS 39077 · last Mar 11, first Nov 16
- Terry, MS 39170 · last Mar 16, first Nov 6
- Hazlehurst, MS 39083 · last Mar 11, first Nov 16
- Georgetown, MS 39078 · last Mar 11, first Nov 16
- Byram, MS 39272 · last Mar 6, first Nov 19
- Raymond, MS 39154 · last Mar 16, first Nov 6
- Harrisville, MS 39082 · last Mar 10, first Nov 16
- Utica, MS 39175 · last Mar 16, first Nov 6
Frequently asked questions
- When is the last frost in Crystal Springs, MS?
- For ZIP code 39059, the average last spring frost (32°F) is March 11, based on NOAA 1991-2020 climate normals for the Crystal Spgs Exp Stn, MS weather station. There is a 1-in-10 chance of a frost after March 30.
- When is the first frost in Crystal Springs, MS?
- The average first fall frost (32°F) is November 16. There is a 1-in-10 chance of frost by November 1, so tender plants are at risk from that point on.
- How long is the growing season in 39059?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 250 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.