Frost dates for 17211Artemas, PA
The average last spring frost in Artemas is April 23 and the average first fall frost is October 21, giving a typical growing season of about 180 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 23
- Average first fall frost
- Oct 21
- Growing season
- 180 days
Safer after May 13 (1-in-10 risk)
Possible by Oct 6 (1-in-10 risk)
Last frost typically in 171 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 19 · May 6 · May 25 | Sep 29 · Oct 10 · Oct 23 | 156 days | 100% |
| Frost / freeze (32°F) | Apr 6 · Apr 23 · May 13 | Oct 6 · Oct 21 · Nov 2 | 180 days | 100% |
| Hard freeze (28°F) | Mar 26 · Apr 9 · Apr 30 | Oct 17 · Nov 1 · Nov 14 | 205 days | 100% |
Planting calendar for Artemas
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 | Mar 23 – May 29 |
| Tomatoes | Transplant outdoors | May 9 – Jul 1 |
| Peppers | Start seeds indoors | Mar 23 – Apr 23 |
| Peppers | Transplant outdoors | May 23 – Jun 23 |
| Eggplant | Start seeds indoors | Apr 9 – May 8 |
| Eggplant | Transplant outdoors | May 23 – Jun 23 |
| Cucumbers | Sow outdoors | May 23 – Jul 11 |
| Summer squash | Sow outdoors | May 9 – Jun 23 |
| Winter squash & pumpkins | Sow outdoors | May 23 – Jun 23 |
| Snap beans | Sow outdoors | May 9 – Aug 3 |
| Sweet corn | Sow outdoors | May 9 – Jul 1 |
| Watermelon & cantaloupe | Sow outdoors | May 23 – Jun 23 |
| Okra | Sow outdoors | May 16 – Jun 8 |
| Peas | Sow outdoors (spring) | Mar 23 – May 8 |
| Potatoes | Plant outdoors (spring) | Mar 23 – May 23 |
| Onions | Start seeds indoors (spring) | Feb 9 – Mar 8 |
| Onions | Transplant outdoors (spring) | Apr 9 – May 8 |
| Broccoli | Start seeds indoors (spring) | Mar 5 – Apr 8 |
| Broccoli | Transplant outdoors (spring) | Apr 9 – May 8 |
| Broccoli | Start seeds indoors (fall) | Jun 21 – Jul 1 |
| Broccoli | Transplant outdoors (fall) | Jul 21 – Aug 1 |
| Cabbage | Start seeds indoors (spring) | Feb 23 – Mar 23 |
| Cabbage | Transplant outdoors (spring) | Mar 23 – Apr 23 |
| Cabbage | Start seeds indoors (fall) | Jun 11 – Jul 11 |
| Cabbage | Transplant outdoors (fall) | Jul 11 – Aug 11 |
| Leaf lettuce | Sow outdoors (spring) | Mar 23 – Jun 8 |
| Leaf lettuce | Sow outdoors (fall) | Jul 11 – Aug 27 |
| Spinach | Sow outdoors (spring) | Mar 16 – Apr 29 |
| Spinach | Sow outdoors (fall) | Jul 28 – Sep 1 |
| Radishes | Sow outdoors (spring) | Mar 23 – May 13 |
| Radishes | Sow outdoors (fall) | Jul 11 – Sep 11 |
| Kale | Sow outdoors (spring) | Apr 9 – Apr 29 |
| Kale | Sow outdoors (fall) | Jul 4 – Aug 11 |
| Carrots | Sow outdoors (spring) | Apr 23 – Jun 8 |
| Carrots | Sow outdoors (fall) | Jun 11 – Jul 27 |
| Garlic | Plant outdoors (fall) | Oct 11 – Nov 11 |
Where these dates come from
ZIP code 17211 is matched to the NOAA station Cacapon St Pk #2, WV, 29 km away, at 958 ft elevation (30 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Cacapon St Pk #2, WV (used) | 958 ft | Apr 23 | Oct 21 |
| Everett, PA | 1,000 ft | Apr 27 | Oct 17 |
| Cumberland 2, MD | 730 ft | Apr 15 | Oct 24 |
| Wolfsburg, PA | 1,185 ft | Apr 29 | Oct 13 |
Frost dates near Artemas
- Little Orleans, MD 21766 · last Apr 23, first Oct 21
- Clearville, PA 15535 · last May 4, first Oct 10
- Flintstone, MD 21530 · last Apr 15, first Oct 24
- Warfordsburg, PA 17267 · last Apr 7, first Nov 4
- Great Cacapon, WV 25422 · last Apr 23, first Oct 21
- Hancock, MD 21750 · last Apr 20, first Oct 22
- Crystal Spring, PA 15536 · last Apr 27, first Oct 17
- Needmore, PA 17238 · last Apr 27, first Oct 17
Frequently asked questions
- When is the last frost in Artemas, PA?
- For ZIP code 17211, the average last spring frost (32°F) is April 23, based on NOAA 1991-2020 climate normals for the Cacapon St Pk #2, WV weather station. There is a 1-in-10 chance of a frost after May 13.
- When is the first frost in Artemas, PA?
- The average first fall frost (32°F) is October 21. There is a 1-in-10 chance of frost by October 6, so tender plants are at risk from that point on.
- How long is the growing season in 17211?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 180 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.