Grandview, MO planting zone & frost dates
Grandview is in USDA hardiness zone 6b. The last spring frost usually comes around April 7 and the first fall frost around October 29, for a growing season of about 202 days.
Planting calendar for Grandview
Dates are counted from the average last spring frost (April 7) using the typical timing recommended by U.S. extension services. Warm-season crops go out only after the danger of frost has passed and the soil has warmed.
| Crop | When |
|---|---|
| Tomatoes | Start seeds indoors: Feb 10 – Feb 24 Transplant outdoors: Apr 14 – Apr 21 |
| Peppers | Start seeds indoors: Jan 27 – Feb 10 Transplant outdoors: Apr 21 – Apr 28 |
| Eggplant | Start seeds indoors: Jan 27 – Feb 10 Transplant outdoors: Apr 21 – Apr 28 |
| Broccoli | Start seeds indoors: Jan 27 – Feb 10 Transplant outdoors: Mar 10 – Mar 24 |
| Cabbage | Start seeds indoors: Jan 27 – Feb 10 Transplant outdoors: Mar 10 – Mar 24 |
| Onions (sets) | Plant outdoors: Mar 10 – Mar 24 |
| Peas | Sow outdoors: Feb 24 – Mar 10 |
| Spinach | Sow outdoors: Feb 24 – Mar 10 |
| Lettuce | Sow outdoors: Mar 10 – Mar 24 |
| Carrots | Sow outdoors: Mar 10 – Mar 24 |
| Potatoes | Plant outdoors: Mar 10 – Mar 24 |
| Beans | Sow outdoors: Apr 14 – Apr 21 |
| Sweet corn | Sow outdoors: Apr 14 – Apr 21 |
| Cucumbers | Sow outdoors: Apr 14 – Apr 21 |
| Squash & zucchini | Sow outdoors: Apr 14 – Apr 21 |
| Basil | Start seeds indoors: Feb 24 – Mar 10 Transplant outdoors: Apr 14 – Apr 21 |
Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Sep 3 (8 weeks before the average first fall frost on Oct 29).
Frost risk in detail
| 90% chance | 50% chance | 10% chance | |
|---|---|---|---|
| Last 32°F frost in spring is after | Mar 21 | Apr 7 | Apr 24 |
| First 32°F frost in fall is before | Nov 12 | Oct 29 | Oct 14 |
How to read it: in spring there is a 10% chance of a frost after April 24, so that is a safe date for tender plants. In fall there is a 10% chance of frost before October 14. A hard freeze (28°F) usually ends around March 28.
Hardiness zone by ZIP code in Grandview
- 64030 zone 6b
Nearby cities
- Raymore zone 6b, last frost Apr 13
- Raytown zone 6b, last frost Apr 10
- Lee's Summit zone 6b, last frost Apr 13
- Kansas City zone 6b, last frost Apr 4
- Independence zone 6b, last frost Apr 10
- Blue Springs zone 6b, last frost Apr 7
- Gladstone zone 6b, last frost Apr 4
- Grain Valley zone 6b, last frost Apr 7
Questions
What growing zone is Grandview, MO?
Grandview is in USDA Plant Hardiness Zone 6b (average extreme winter low -5°F to 0°F), according to the USDA 2023 map.
When is the last frost in Grandview?
The average last spring frost (32°F) in Grandview is April 7. There is still a 10% chance of frost until April 24.
When can I plant tomatoes in Grandview?
Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Apr 14 – Apr 21. Start seeds indoors 6–8 weeks before the last frost.
Frost dates: NOAA U.S. Climate Normals 1991–2020, station Lees Summit Muni Ap, MO (USW00053879), 16.2 km (10.1 mi) from the city center, elevation 304 m, based on 19 years of records. Hardiness zone: USDA Plant Hardiness Zone Map 2023 for the ZIP code nearest to the city center. Microclimates (valleys, hills, cities, coasts) can be warmer or colder: check the local forecast before planting. How we calculate the data.