Frost dates for 43005Bladensburg, OH
The average last spring frost in Bladensburg is May 2 and the average first fall frost is October 8, giving a typical growing season of about 157 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 2
- Average first fall frost
- Oct 8
- Growing season
- 157 days
Safer after May 19 (1-in-10 risk)
Possible by Sep 24 (1-in-10 risk)
Last frost typically in 182 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) | Apr 28 · May 14 · May 29 | Sep 16 · Sep 29 · Oct 11 | 138 days | 100% |
| Frost / freeze (32°F) | Apr 20 · May 2 · May 19 | Sep 24 · Oct 8 · Oct 21 | 157 days | 100% |
| Hard freeze (28°F) | Apr 9 · Apr 22 · May 9 | Oct 6 · Oct 20 · Nov 1 | 178 days | 100% |
Planting calendar for Bladensburg
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 | Apr 1 – Jun 7 |
| Tomatoes | Transplant outdoors | May 18 – Jun 18 |
| Peppers | Start seeds indoors | Apr 1 – May 2 |
| Peppers | Transplant outdoors | Jun 1 – Jul 2 |
| Eggplant | Start seeds indoors | Apr 18 – May 17 |
| Eggplant | Transplant outdoors | Jun 1 – Jul 2 |
| Cucumbers | Sow outdoors | Jun 1 – Jun 28 |
| Summer squash | Sow outdoors | May 18 – Jul 2 |
| Winter squash & pumpkins | Sow outdoors | Jun 1 – Jul 2 |
| Snap beans | Sow outdoors | May 18 – Jul 21 |
| Sweet corn | Sow outdoors | May 18 – Jun 18 |
| Watermelon & cantaloupe | Sow outdoors | Jun 1 – Jul 2 |
| Okra | Sow outdoors | May 25 – Jun 17 |
| Peas | Sow outdoors (spring) | Apr 1 – May 17 |
| Potatoes | Plant outdoors (spring) | Apr 1 – Jun 1 |
| Onions | Start seeds indoors (spring) | Feb 18 – Mar 17 |
| Onions | Transplant outdoors (spring) | Apr 18 – May 17 |
| Broccoli | Start seeds indoors (spring) | Mar 14 – Apr 17 |
| Broccoli | Transplant outdoors (spring) | Apr 18 – May 17 |
| Broccoli | Start seeds indoors (fall) | Jun 8 – Jun 18 |
| Broccoli | Transplant outdoors (fall) | Jul 8 – Jul 19 |
| Cabbage | Start seeds indoors (spring) | Mar 4 – Apr 1 |
| Cabbage | Transplant outdoors (spring) | Apr 1 – May 2 |
| Cabbage | Start seeds indoors (fall) | May 29 – Jun 28 |
| Cabbage | Transplant outdoors (fall) | Jun 28 – Jul 29 |
| Leaf lettuce | Sow outdoors (spring) | Apr 1 – Jun 17 |
| Leaf lettuce | Sow outdoors (fall) | Jun 28 – Aug 14 |
| Spinach | Sow outdoors (spring) | Mar 25 – May 8 |
| Spinach | Sow outdoors (fall) | Jul 15 – Aug 19 |
| Radishes | Sow outdoors (spring) | Apr 1 – May 22 |
| Radishes | Sow outdoors (fall) | Jun 28 – Aug 29 |
| Kale | Sow outdoors (spring) | Apr 18 – May 8 |
| Kale | Sow outdoors (fall) | Jun 21 – Jul 29 |
| Carrots | Sow outdoors (spring) | May 2 – Jun 17 |
| Carrots | Sow outdoors (fall) | May 29 – Jul 14 |
| Garlic | Plant outdoors (fall) | Sep 28 – Oct 29 |
Where these dates come from
ZIP code 43005 is matched to the NOAA station Danville 2 W, OH, 17.3 km away, at 970 ft elevation (9 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Danville 2 W, OH (used) | 970 ft | May 2 | Oct 8 |
| Newark Wtr Wks, OH | 835 ft | Apr 29 | Oct 16 |
| Fredericktown 4 S, OH | 1,050 ft | May 1 | Oct 10 |
| Centerburg 2 Se, OH | 1,205 ft | Apr 27 | Oct 17 |
Frost dates near Bladensburg
- Martinsburg, OH 43037 · last May 1, first Oct 10
- Utica, OH 43080 · last May 1, first Oct 10
- Walhonding, OH 43843 · last May 2, first Oct 8
- Saint Louisville, OH 43071 · last Apr 29, first Oct 16
- Gambier, OH 43022 · last May 2, first Oct 8
- Howard, OH 43028 · last May 2, first Oct 8
- Danville, OH 43014 · last May 2, first Oct 8
- Warsaw, OH 43844 · last Apr 18, first Oct 28
Frequently asked questions
- When is the last frost in Bladensburg, OH?
- For ZIP code 43005, the average last spring frost (32°F) is May 2, based on NOAA 1991-2020 climate normals for the Danville 2 W, OH weather station. There is a 1-in-10 chance of a frost after May 19.
- When is the first frost in Bladensburg, OH?
- The average first fall frost (32°F) is October 8. There is a 1-in-10 chance of frost by September 24, so tender plants are at risk from that point on.
- How long is the growing season in 43005?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 157 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.