Frost dates for 72648Marble Falls, AR
The average last spring frost in Marble Falls is March 22 and the average first fall frost is November 9, giving a typical growing season of about 231 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 22
- Average first fall frost
- Nov 9
- Growing season
- 231 days
Safer after Apr 8 (1-in-10 risk)
Possible by Oct 25 (1-in-10 risk)
First frost typically in 14 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 16 · Apr 3 · Apr 22 | Oct 13 · Oct 28 · Nov 13 | 208 days | 100% |
| Frost / freeze (32°F) | Mar 1 · Mar 22 · Apr 8 | Oct 25 · Nov 9 · Nov 28 | 231 days | 100% |
| Hard freeze (28°F) | Feb 17 · Mar 7 · Mar 27 | Nov 2 · Nov 23 · Dec 12 | 255 days | 100% |
Planting calendar for Marble Falls
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 19 – Apr 27 |
| Tomatoes | Transplant outdoors | Apr 7 – Jul 20 |
| Peppers | Start seeds indoors | Feb 19 – Mar 22 |
| Peppers | Transplant outdoors | Apr 21 – May 22 |
| Eggplant | Start seeds indoors | Mar 8 – Apr 6 |
| Eggplant | Transplant outdoors | Apr 21 – May 22 |
| Cucumbers | Sow outdoors | Apr 21 – Jul 30 |
| Summer squash | Sow outdoors | Apr 7 – May 22 |
| Winter squash & pumpkins | Sow outdoors | Apr 21 – May 22 |
| Snap beans | Sow outdoors | Apr 7 – Aug 22 |
| Sweet corn | Sow outdoors | Apr 7 – Jul 20 |
| Watermelon & cantaloupe | Sow outdoors | Apr 21 – May 22 |
| Okra | Sow outdoors | Apr 14 – May 7 |
| Peas | Sow outdoors (spring) | Feb 19 – Apr 6 |
| Potatoes | Plant outdoors (spring) | Feb 19 – Apr 21 |
| Onions | Start seeds indoors (spring) | Jan 8 – Feb 4 |
| Onions | Transplant outdoors (spring) | Mar 8 – Apr 6 |
| Broccoli | Start seeds indoors (spring) | Feb 1 – Mar 7 |
| Broccoli | Transplant outdoors (spring) | Mar 8 – Apr 6 |
| Broccoli | Start seeds indoors (fall) | Jul 10 – Jul 20 |
| Broccoli | Transplant outdoors (fall) | Aug 9 – Aug 20 |
| Cabbage | Start seeds indoors (spring) | Jan 22 – Feb 19 |
| Cabbage | Transplant outdoors (spring) | Feb 19 – Mar 22 |
| Cabbage | Start seeds indoors (fall) | Jun 30 – Jul 30 |
| Cabbage | Transplant outdoors (fall) | Jul 30 – Aug 30 |
| Leaf lettuce | Sow outdoors (spring) | Feb 19 – May 7 |
| Leaf lettuce | Sow outdoors (fall) | Jul 30 – Sep 15 |
| Spinach | Sow outdoors (spring) | Feb 12 – Mar 28 |
| Spinach | Sow outdoors (fall) | Aug 16 – Sep 20 |
| Radishes | Sow outdoors (spring) | Feb 19 – Apr 11 |
| Radishes | Sow outdoors (fall) | Jul 30 – Sep 30 |
| Kale | Sow outdoors (spring) | Mar 8 – Mar 28 |
| Kale | Sow outdoors (fall) | Jul 23 – Aug 30 |
| Carrots | Sow outdoors (spring) | Mar 22 – May 7 |
| Carrots | Sow outdoors (fall) | Jun 30 – Aug 15 |
| Garlic | Plant outdoors (fall) | Oct 30 – Nov 30 |
Where these dates come from
ZIP code 72648 is matched to the NOAA station Harrison, AR, 14.7 km away, at 1,132 ft elevation (151 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Harrison, AR (used) | 1,132 ft | Mar 22 | Nov 9 |
| Harrison Boone Co Ap, AR | 1,374 ft | Apr 3 | Oct 30 |
| Deer, AR | 2,375 ft | Apr 7 | Nov 4 |
| Kingston 2S, AR | 2,145 ft | Apr 13 | Oct 29 |
Frost dates near Marble Falls
- Jasper, AR 72641 · last Mar 22, first Nov 9
- Hasty, AR 72640 · last Apr 3, first Oct 30
- Compton, AR 72624 · last Apr 13, first Oct 29
- Vendor, AR 72683 · last Apr 14, first Oct 22
- Mount Judea, AR 72655 · last Apr 11, first Oct 26
- Western Grove, AR 72685 · last Apr 3, first Oct 30
- Parthenon, AR 72666 · last Apr 7, first Nov 4
- Harrison, AR 72602 · last Apr 3, first Oct 30
Frequently asked questions
- When is the last frost in Marble Falls, AR?
- For ZIP code 72648, the average last spring frost (32°F) is March 22, based on NOAA 1991-2020 climate normals for the Harrison, AR weather station. There is a 1-in-10 chance of a frost after April 8.
- When is the first frost in Marble Falls, AR?
- The average first fall frost (32°F) is November 9. There is a 1-in-10 chance of frost by October 25, so tender plants are at risk from that point on.
- How long is the growing season in 72648?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 231 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.