When to plant Summer squash (zucchini) in Kansas
In spring, from Apr 10 – June 1 in Kansas City to May 1 – June 15 in Winfield.
In fall, June 1 – Aug 1.
USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.
| Place | Spring | Fall |
|---|---|---|
| Andover | Apr 20 – June 1 | June 1 – Aug 1 |
| Arkansas City | Apr 20 – June 1 | June 1 – Aug 1 |
| Atchison | Apr 20 – June 1 | June 1 – Aug 1 |
| Bel Aire | Apr 20 – June 1 | June 1 – Aug 1 |
| Derby | Apr 20 – June 1 | June 1 – July 20 |
| Dodge City | May 1 – June 15 | June 1 – July 20 |
| El Dorado | Apr 20 – June 1 | June 1 – July 20 |
| Emporia | Apr 20 – June 1 | June 1 – July 20 |
| Garden City | May 1 – 30 | June 1 – July 20 |
| Gardner | Apr 20 – June 1 | June 1 – July 20 |
| Great Bend | May 1 – June 15 | June 1 – July 15 |
| Hays | May 1 – June 15 | June 1 – July 20 |
| Haysville | Apr 20 – June 1 | June 1 – July 20 |
| Hutchinson | May 1 – June 15 | June 1 – July 20 |
| Junction City | Apr 20 – June 1 | June 1 – Aug 1 |
| Kansas City | Apr 10 – June 1 | June 1 – Aug 1 |
| Lansing | May 1 – June 15 | June 1 – July 20 |
| Lawrence | Apr 20 – June 1 | June 1 – Aug 1 |
| Leavenworth | Apr 20 – June 1 | June 1 – Aug 1 |
| Leawood | Apr 20 – June 1 | June 1 – Aug 1 |
| Lenexa | Apr 20 – June 1 | June 1 – Aug 1 |
| Liberal | May 1 – June 15 | June 1 – July 20 |
| Manhattan | May 1 – June 15 | June 1 – July 20 |
| McPherson | May 1 – June 15 | June 1 – July 20 |
| Merriam | Apr 10 – June 1 | June 1 – Aug 1 |
| Mission | Apr 10 – June 1 | June 1 – Aug 1 |
| Newton | Apr 20 – June 1 | June 1 – July 20 |
| Olathe | Apr 20 – June 1 | June 1 – Aug 1 |
| Ottawa | May 1 – June 15 | June 1 – July 20 |
| Overland Park | Apr 20 – June 1 | June 1 – Aug 1 |
| Pittsburg | Apr 20 – June 1 | June 1 – Aug 1 |
| Prairie Village | Apr 10 – June 1 | June 1 – Aug 1 |
| Salina | May 1 – June 15 | June 1 – July 20 |
| Shawnee | May 1 – June 15 | June 1 – July 20 |
| Spring Hill | Apr 20 – June 1 | June 1 – July 20 |
| Topeka | May 1 – June 15 | June 1 – July 20 |
| Wichita | Apr 20 – June 1 | June 1 – Aug 1 |
| Winfield | May 1 – June 15 | June 1 – July 20 |
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. “—” means the place's frost date is outside the table. The full USDA table for summer squash.