When to plant Collard greens in Kansas
In spring, from Mar 1 – June 1 in Andover to Apr 1 – June 1 in Garden City.
In fall, from July 1 – Aug 1 in Great Bend to Aug 1 – Sept 15 in Wichita.
Dates are for setting out plants. USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.
| Place | Spring | Fall |
|---|---|---|
| Andover | Mar 1 – June 1 | Aug 1 – Sept 15 |
| Arkansas City | Mar 1 – June 1 | Aug 1 – Sept 15 |
| Atchison | Mar 1 – June 1 | Aug 1 – Sept 15 |
| Bel Aire | Mar 1 – June 1 | Aug 1 – Sept 15 |
| Derby | Mar 1 – June 1 | July 15 – Aug 15 |
| Dodge City | Mar 10 – June 1 | July 15 – Aug 15 |
| El Dorado | Mar 1 – June 1 | July 15 – Aug 15 |
| Emporia | Mar 1 – June 1 | July 15 – Aug 15 |
| Garden City | Apr 1 – June 1 | July 15 – Aug 15 |
| Gardner | Mar 1 – June 1 | July 15 – Aug 15 |
| Great Bend | Mar 10 – June 1 | July 1 – Aug 1 |
| Hays | Mar 10 – June 1 | July 15 – Aug 15 |
| Haysville | Mar 1 – June 1 | July 15 – Aug 15 |
| Hutchinson | Mar 10 – June 1 | July 15 – Aug 15 |
| Junction City | Mar 1 – June 1 | Aug 1 – Sept 15 |
| Kansas City | Mar 1 – June 1 | Aug 1 – Sept 15 |
| Lansing | Mar 10 – June 1 | July 15 – Aug 15 |
| Lawrence | Mar 1 – June 1 | Aug 1 – Sept 15 |
| Leavenworth | Mar 1 – June 1 | Aug 1 – Sept 15 |
| Leawood | Mar 1 – June 1 | Aug 1 – Sept 15 |
| Lenexa | Mar 1 – June 1 | Aug 1 – Sept 15 |
| Liberal | Mar 10 – June 1 | July 15 – Aug 15 |
| Manhattan | Mar 10 – June 1 | July 15 – Aug 15 |
| McPherson | Mar 10 – June 1 | July 15 – Aug 15 |
| Merriam | Mar 1 – June 1 | Aug 1 – Sept 15 |
| Mission | Mar 1 – June 1 | Aug 1 – Sept 15 |
| Newton | Mar 1 – June 1 | July 15 – Aug 15 |
| Olathe | Mar 1 – June 1 | Aug 1 – Sept 15 |
| Ottawa | Mar 10 – June 1 | July 15 – Aug 15 |
| Overland Park | Mar 1 – June 1 | Aug 1 – Sept 15 |
| Pittsburg | Mar 1 – June 1 | Aug 1 – Sept 15 |
| Prairie Village | Mar 1 – June 1 | Aug 1 – Sept 15 |
| Salina | Mar 10 – June 1 | July 15 – Aug 15 |
| Shawnee | Mar 10 – June 1 | July 15 – Aug 15 |
| Spring Hill | Mar 1 – June 1 | July 15 – Aug 15 |
| Topeka | Mar 10 – June 1 | July 15 – Aug 15 |
| Wichita | Mar 1 – June 1 | Aug 1 – Sept 15 |
| Winfield | Mar 10 – June 1 | July 15 – Aug 15 |
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 collards.