Frost dates for 64063Lees Summit, MO
The average last spring frost in Lees Summit is April 13 and the average first fall frost is October 26, giving a typical growing season of about 194 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 13
- Average first fall frost
- Oct 26
- Growing season
- 194 days
Safer after Apr 28 (1-in-10 risk)
Possible by Oct 11 (1-in-10 risk)
First frost typically in 0 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 11 · Apr 24 · May 7 | Sep 29 · Oct 16 · Oct 27 | 174 days | 100% |
| Frost / freeze (32°F) | Mar 31 · Apr 13 · Apr 28 | Oct 11 · Oct 26 · Nov 6 | 194 days | 100% |
| Hard freeze (28°F) | Mar 16 · Apr 3 · Apr 18 | Oct 19 · Nov 3 · Nov 17 | 213 days | 100% |
Planting calendar for Lees Summit
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 13 – May 19 |
| Tomatoes | Transplant outdoors | Apr 29 – Jul 6 |
| Peppers | Start seeds indoors | Mar 13 – Apr 13 |
| Peppers | Transplant outdoors | May 13 – Jun 13 |
| Eggplant | Start seeds indoors | Mar 30 – Apr 28 |
| Eggplant | Transplant outdoors | May 13 – Jun 13 |
| Cucumbers | Sow outdoors | May 13 – Jul 16 |
| Summer squash | Sow outdoors | Apr 29 – Jun 13 |
| Winter squash & pumpkins | Sow outdoors | May 13 – Jun 13 |
| Snap beans | Sow outdoors | Apr 29 – Aug 8 |
| Sweet corn | Sow outdoors | Apr 29 – Jul 6 |
| Watermelon & cantaloupe | Sow outdoors | May 13 – Jun 13 |
| Okra | Sow outdoors | May 6 – May 29 |
| Peas | Sow outdoors (spring) | Mar 13 – Apr 28 |
| Potatoes | Plant outdoors (spring) | Mar 13 – May 13 |
| Onions | Start seeds indoors (spring) | Jan 30 – Feb 26 |
| Onions | Transplant outdoors (spring) | Mar 30 – Apr 28 |
| Broccoli | Start seeds indoors (spring) | Feb 23 – Mar 29 |
| Broccoli | Transplant outdoors (spring) | Mar 30 – Apr 28 |
| Broccoli | Start seeds indoors (fall) | Jun 26 – Jul 6 |
| Broccoli | Transplant outdoors (fall) | Jul 26 – Aug 6 |
| Cabbage | Start seeds indoors (spring) | Feb 13 – Mar 13 |
| Cabbage | Transplant outdoors (spring) | Mar 13 – Apr 13 |
| Cabbage | Start seeds indoors (fall) | Jun 16 – Jul 16 |
| Cabbage | Transplant outdoors (fall) | Jul 16 – Aug 16 |
| Leaf lettuce | Sow outdoors (spring) | Mar 13 – May 29 |
| Leaf lettuce | Sow outdoors (fall) | Jul 16 – Sep 1 |
| Spinach | Sow outdoors (spring) | Mar 6 – Apr 19 |
| Spinach | Sow outdoors (fall) | Aug 2 – Sep 6 |
| Radishes | Sow outdoors (spring) | Mar 13 – May 3 |
| Radishes | Sow outdoors (fall) | Jul 16 – Sep 16 |
| Kale | Sow outdoors (spring) | Mar 30 – Apr 19 |
| Kale | Sow outdoors (fall) | Jul 9 – Aug 16 |
| Carrots | Sow outdoors (spring) | Apr 13 – May 29 |
| Carrots | Sow outdoors (fall) | Jun 16 – Aug 1 |
| Garlic | Plant outdoors (fall) | Oct 16 – Nov 16 |
Where these dates come from
ZIP code 64063 is matched to the NOAA station Lees Summit Reed Wr, MO, 3.8 km away, at 1,000 ft elevation (4 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Lees Summit Reed Wr, MO (used) | 1,000 ft | Apr 13 | Oct 26 |
| Lees Summit Muni Ap, MO | 997 ft | Apr 7 | Oct 29 |
| Pleasant Hill Wfo, MO | 1,000 ft | Apr 8 | Oct 29 |
| Independence, MO | 985 ft | Apr 10 | Oct 27 |
Frost dates near Lees Summit
- Lees Summit, MO 64002 · last Apr 7, first Oct 29
- Kansas City, MO 64139 · last Apr 7, first Oct 29
- Greenwood, MO 64034 · last Apr 13, first Oct 26
- Blue Springs, MO 64015 · last Apr 10, first Oct 27
- Grandview, MO 64030 · last Apr 7, first Oct 29
- Raymore, MO 64083 · last Apr 13, first Oct 26
- Independence, MO 64055 · last Apr 10, first Oct 27
- Lone Jack, MO 64070 · last Apr 13, first Oct 23
Frequently asked questions
- When is the last frost in Lees Summit, MO?
- For ZIP code 64063, the average last spring frost (32°F) is April 13, based on NOAA 1991-2020 climate normals for the Lees Summit Reed Wr, MO weather station. There is a 1-in-10 chance of a frost after April 28.
- When is the first frost in Lees Summit, MO?
- The average first fall frost (32°F) is October 26. There is a 1-in-10 chance of frost by October 11, so tender plants are at risk from that point on.
- How long is the growing season in 64063?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 194 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.