Frost dates for 67118Norwich, KS
The average last spring frost in Norwich is April 12 and the average first fall frost is October 29, giving a typical growing season of about 201 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 12
- Average first fall frost
- Oct 29
- Growing season
- 201 days
Safer after Apr 25 (1-in-10 risk)
Possible by Oct 16 (1-in-10 risk)
Last frost typically in 162 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 8 · Apr 21 · May 2 | Oct 4 · Oct 20 · Nov 3 | 181 days | 100% |
| Frost / freeze (32°F) | Mar 28 · Apr 12 · Apr 25 | Oct 16 · Oct 29 · Nov 11 | 201 days | 100% |
| Hard freeze (28°F) | Mar 16 · Apr 2 · Apr 18 | Oct 24 · Nov 7 · Nov 20 | 217 days | 100% |
Planting calendar for Norwich
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 12 – May 18 |
| Tomatoes | Transplant outdoors | Apr 28 – Jul 9 |
| Peppers | Start seeds indoors | Mar 12 – Apr 12 |
| Peppers | Transplant outdoors | May 12 – Jun 12 |
| Eggplant | Start seeds indoors | Mar 29 – Apr 27 |
| Eggplant | Transplant outdoors | May 12 – Jun 12 |
| Cucumbers | Sow outdoors | May 12 – Jul 19 |
| Summer squash | Sow outdoors | Apr 28 – Jun 12 |
| Winter squash & pumpkins | Sow outdoors | May 12 – Jun 12 |
| Snap beans | Sow outdoors | Apr 28 – Aug 11 |
| Sweet corn | Sow outdoors | Apr 28 – Jul 9 |
| Watermelon & cantaloupe | Sow outdoors | May 12 – Jun 12 |
| Okra | Sow outdoors | May 5 – May 28 |
| Peas | Sow outdoors (spring) | Mar 12 – Apr 27 |
| Potatoes | Plant outdoors (spring) | Mar 12 – May 12 |
| Onions | Start seeds indoors (spring) | Jan 29 – Feb 25 |
| Onions | Transplant outdoors (spring) | Mar 29 – Apr 27 |
| Broccoli | Start seeds indoors (spring) | Feb 22 – Mar 28 |
| Broccoli | Transplant outdoors (spring) | Mar 29 – Apr 27 |
| Broccoli | Start seeds indoors (fall) | Jun 29 – Jul 9 |
| Broccoli | Transplant outdoors (fall) | Jul 29 – Aug 9 |
| Cabbage | Start seeds indoors (spring) | Feb 12 – Mar 12 |
| Cabbage | Transplant outdoors (spring) | Mar 12 – Apr 12 |
| Cabbage | Start seeds indoors (fall) | Jun 19 – Jul 19 |
| Cabbage | Transplant outdoors (fall) | Jul 19 – Aug 19 |
| Leaf lettuce | Sow outdoors (spring) | Mar 12 – May 28 |
| Leaf lettuce | Sow outdoors (fall) | Jul 19 – Sep 4 |
| Spinach | Sow outdoors (spring) | Mar 5 – Apr 18 |
| Spinach | Sow outdoors (fall) | Aug 5 – Sep 9 |
| Radishes | Sow outdoors (spring) | Mar 12 – May 2 |
| Radishes | Sow outdoors (fall) | Jul 19 – Sep 19 |
| Kale | Sow outdoors (spring) | Mar 29 – Apr 18 |
| Kale | Sow outdoors (fall) | Jul 12 – Aug 19 |
| Carrots | Sow outdoors (spring) | Apr 12 – May 28 |
| Carrots | Sow outdoors (fall) | Jun 19 – Aug 4 |
| Garlic | Plant outdoors (fall) | Oct 19 – Nov 19 |
Where these dates come from
ZIP code 67118 is matched to the NOAA station Norwich, KS, 1.7 km away, at 1,501 ft elevation (21 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Norwich, KS (used) | 1,501 ft | Apr 12 | Oct 29 |
| Kingman, KS | 1,547 ft | Apr 15 | Oct 21 |
| Anthony, KS | 1,340 ft | Apr 9 | Oct 30 |
| Wichita, KS | 1,335 ft | Apr 11 | Oct 29 |
Frost dates near Norwich
- Milton, KS 67106 · last Apr 12, first Oct 29
- Murdock, KS 67111 · last Apr 15, first Oct 21
- Danville, KS 67036 · last Apr 9, first Oct 30
- Argonia, KS 67004 · last Apr 9, first Oct 30
- Conway Springs, KS 67031 · last Apr 15, first Oct 29
- Harper, KS 67058 · last Apr 9, first Oct 30
- Cheney, KS 67025 · last Apr 11, first Oct 29
- Viola, KS 67149 · last Apr 11, first Oct 29
Frequently asked questions
- When is the last frost in Norwich, KS?
- For ZIP code 67118, the average last spring frost (32°F) is April 12, based on NOAA 1991-2020 climate normals for the Norwich, KS weather station. There is a 1-in-10 chance of a frost after April 25.
- When is the first frost in Norwich, KS?
- The average first fall frost (32°F) is October 29. There is a 1-in-10 chance of frost by October 16, so tender plants are at risk from that point on.
- How long is the growing season in 67118?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 201 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.