Frost dates for 72475Waldenburg, AR
The average last spring frost in Waldenburg is March 23 and the average first fall frost is November 5, giving a typical growing season of about 227 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 23
- Average first fall frost
- Nov 5
- Growing season
- 227 days
Safer after Apr 9 (1-in-10 risk)
Possible by Oct 22 (1-in-10 risk)
First frost typically in 9 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 19 · Apr 4 · Apr 22 | Oct 11 · Oct 26 · Nov 7 | 204 days | 100% |
| Frost / freeze (32°F) | Mar 5 · Mar 23 · Apr 9 | Oct 22 · Nov 5 · Nov 25 | 227 days | 100% |
| Hard freeze (28°F) | Feb 21 · Mar 10 · Mar 28 | Nov 1 · Nov 17 · Dec 8 | 249 days | 100% |
Planting calendar for Waldenburg
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 20 – Apr 28 |
| Tomatoes | Transplant outdoors | Apr 8 – Jul 16 |
| Peppers | Start seeds indoors | Feb 20 – Mar 23 |
| Peppers | Transplant outdoors | Apr 22 – May 23 |
| Eggplant | Start seeds indoors | Mar 9 – Apr 7 |
| Eggplant | Transplant outdoors | Apr 22 – May 23 |
| Cucumbers | Sow outdoors | Apr 22 – Jul 26 |
| Summer squash | Sow outdoors | Apr 8 – May 23 |
| Winter squash & pumpkins | Sow outdoors | Apr 22 – May 23 |
| Snap beans | Sow outdoors | Apr 8 – Aug 18 |
| Sweet corn | Sow outdoors | Apr 8 – Jul 16 |
| Watermelon & cantaloupe | Sow outdoors | Apr 22 – May 23 |
| Okra | Sow outdoors | Apr 15 – May 8 |
| Peas | Sow outdoors (spring) | Feb 20 – Apr 7 |
| Potatoes | Plant outdoors (spring) | Feb 20 – Apr 22 |
| Onions | Start seeds indoors (spring) | Jan 9 – Feb 5 |
| Onions | Transplant outdoors (spring) | Mar 9 – Apr 7 |
| Broccoli | Start seeds indoors (spring) | Feb 2 – Mar 8 |
| Broccoli | Transplant outdoors (spring) | Mar 9 – Apr 7 |
| Broccoli | Start seeds indoors (fall) | Jul 6 – Jul 16 |
| Broccoli | Transplant outdoors (fall) | Aug 5 – Aug 16 |
| Cabbage | Start seeds indoors (spring) | Jan 23 – Feb 20 |
| Cabbage | Transplant outdoors (spring) | Feb 20 – Mar 23 |
| Cabbage | Start seeds indoors (fall) | Jun 26 – Jul 26 |
| Cabbage | Transplant outdoors (fall) | Jul 26 – Aug 26 |
| Leaf lettuce | Sow outdoors (spring) | Feb 20 – May 8 |
| Leaf lettuce | Sow outdoors (fall) | Jul 26 – Sep 11 |
| Spinach | Sow outdoors (spring) | Feb 13 – Mar 29 |
| Spinach | Sow outdoors (fall) | Aug 12 – Sep 16 |
| Radishes | Sow outdoors (spring) | Feb 20 – Apr 12 |
| Radishes | Sow outdoors (fall) | Jul 26 – Sep 26 |
| Kale | Sow outdoors (spring) | Mar 9 – Mar 29 |
| Kale | Sow outdoors (fall) | Jul 19 – Aug 26 |
| Carrots | Sow outdoors (spring) | Mar 23 – May 8 |
| Carrots | Sow outdoors (fall) | Jun 26 – Aug 11 |
| Garlic | Plant outdoors (fall) | Oct 26 – Nov 26 |
Where these dates come from
ZIP code 72475 is matched to the NOAA station Beedeville 4 Ne, AR, 16.9 km away, at 222 ft elevation (17 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Beedeville 4 Ne, AR (used) | 222 ft | Mar 23 | Nov 5 |
| Poinsett Sp, AR | 345 ft | Mar 28 | Nov 7 |
| Newport, AR | 228 ft | Mar 18 | Nov 11 |
| Wynne, AR | 260 ft | Mar 23 | Nov 7 |
Frost dates near Waldenburg
- Fisher, AR 72429 · last Mar 23, first Nov 5
- Weiner, AR 72479 · last Mar 23, first Nov 5
- Grubbs, AR 72431 · last Mar 18, first Nov 11
- Amagon, AR 72005 · last Mar 23, first Nov 5
- Hickory Ridge, AR 72347 · last Mar 23, first Nov 5
- Harrisburg, AR 72432 · last Mar 28, first Nov 7
- Beedeville, AR 72014 · last Mar 23, first Nov 5
- Cherry Valley, AR 72324 · last Mar 23, first Nov 7
Frequently asked questions
- When is the last frost in Waldenburg, AR?
- For ZIP code 72475, the average last spring frost (32°F) is March 23, based on NOAA 1991-2020 climate normals for the Beedeville 4 Ne, AR weather station. There is a 1-in-10 chance of a frost after April 9.
- When is the first frost in Waldenburg, AR?
- The average first fall frost (32°F) is November 5. There is a 1-in-10 chance of frost by October 22, so tender plants are at risk from that point on.
- How long is the growing season in 72475?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 227 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.