Frost dates for 38553Clarkrange, TN
The average last spring frost in Clarkrange is April 19 and the average first fall frost is October 22, giving a typical growing season of about 185 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 19
- Average first fall frost
- Oct 22
- Growing season
- 185 days
Safer after May 7 (1-in-10 risk)
Possible by Oct 8 (1-in-10 risk)
Last frost typically in 167 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 15 · May 2 · May 19 | Oct 1 · Oct 12 · Oct 24 | 163 days | 100% |
| Frost / freeze (32°F) | Mar 31 · Apr 19 · May 7 | Oct 8 · Oct 22 · Nov 1 | 185 days | 100% |
| Hard freeze (28°F) | Mar 18 · Apr 3 · Apr 23 | Oct 17 · Oct 30 · Nov 12 | 208 days | 100% |
Planting calendar for Clarkrange
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 19 – May 25 |
| Tomatoes | Transplant outdoors | May 5 – Jul 2 |
| Peppers | Start seeds indoors | Mar 19 – Apr 19 |
| Peppers | Transplant outdoors | May 19 – Jun 19 |
| Eggplant | Start seeds indoors | Apr 5 – May 4 |
| Eggplant | Transplant outdoors | May 19 – Jun 19 |
| Cucumbers | Sow outdoors | May 19 – Jul 12 |
| Summer squash | Sow outdoors | May 5 – Jun 19 |
| Winter squash & pumpkins | Sow outdoors | May 19 – Jun 19 |
| Snap beans | Sow outdoors | May 5 – Aug 4 |
| Sweet corn | Sow outdoors | May 5 – Jul 2 |
| Watermelon & cantaloupe | Sow outdoors | May 19 – Jun 19 |
| Okra | Sow outdoors | May 12 – Jun 4 |
| Peas | Sow outdoors (spring) | Mar 19 – May 4 |
| Potatoes | Plant outdoors (spring) | Mar 19 – May 19 |
| Onions | Start seeds indoors (spring) | Feb 5 – Mar 4 |
| Onions | Transplant outdoors (spring) | Apr 5 – May 4 |
| Broccoli | Start seeds indoors (spring) | Mar 1 – Apr 4 |
| Broccoli | Transplant outdoors (spring) | Apr 5 – May 4 |
| Broccoli | Start seeds indoors (fall) | Jun 22 – Jul 2 |
| Broccoli | Transplant outdoors (fall) | Jul 22 – Aug 2 |
| Cabbage | Start seeds indoors (spring) | Feb 19 – Mar 19 |
| Cabbage | Transplant outdoors (spring) | Mar 19 – Apr 19 |
| Cabbage | Start seeds indoors (fall) | Jun 12 – Jul 12 |
| Cabbage | Transplant outdoors (fall) | Jul 12 – Aug 12 |
| Leaf lettuce | Sow outdoors (spring) | Mar 19 – Jun 4 |
| Leaf lettuce | Sow outdoors (fall) | Jul 12 – Aug 28 |
| Spinach | Sow outdoors (spring) | Mar 12 – Apr 25 |
| Spinach | Sow outdoors (fall) | Jul 29 – Sep 2 |
| Radishes | Sow outdoors (spring) | Mar 19 – May 9 |
| Radishes | Sow outdoors (fall) | Jul 12 – Sep 12 |
| Kale | Sow outdoors (spring) | Apr 5 – Apr 25 |
| Kale | Sow outdoors (fall) | Jul 5 – Aug 12 |
| Carrots | Sow outdoors (spring) | Apr 19 – Jun 4 |
| Carrots | Sow outdoors (fall) | Jun 12 – Jul 28 |
| Garlic | Plant outdoors (fall) | Oct 12 – Nov 12 |
Where these dates come from
ZIP code 38553 is matched to the NOAA station Crossville Ed & Research, TN, 25.8 km away, at 1,810 ft elevation (19 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Crossville Ed & Research, TN (used) | 1,810 ft | Apr 19 | Oct 22 |
| Allardt, TN | 1,645 ft | Apr 17 | Oct 23 |
| Lancing 6 Nw, TN | 1,520 ft | Apr 21 | Oct 17 |
| Jamestown, TN | 1,690 ft | Apr 20 | Oct 22 |
Frost dates near Clarkrange
- Grimsley, TN 38565 · last Apr 20, first Oct 22
- Wilder, TN 38589 · last Apr 10, first Oct 30
- Deer Lodge, TN 37726 · last Apr 21, first Oct 17
- Crawford, TN 38554 · last Apr 10, first Oct 30
- Crossville, TN 38571 · last Apr 19, first Oct 22
- Allred, TN 38542 · last Apr 12, first Oct 25
- Jamestown, TN 38556 · last Apr 20, first Oct 22
- Alpine, TN 38543 · last Apr 12, first Oct 25
Frequently asked questions
- When is the last frost in Clarkrange, TN?
- For ZIP code 38553, the average last spring frost (32°F) is April 19, based on NOAA 1991-2020 climate normals for the Crossville Ed & Research, TN weather station. There is a 1-in-10 chance of a frost after May 7.
- When is the first frost in Clarkrange, TN?
- The average first fall frost (32°F) is October 22. There is a 1-in-10 chance of frost by October 8, so tender plants are at risk from that point on.
- How long is the growing season in 38553?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 185 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.