Haven, KS frost dates
How Haven compares
- In 8 years out of 10, the last spring frost in Haven falls between April 6 and May 4, a 28-day window. The first fall frost falls between October 2 and October 31.
- The median last frost is 3 days later than the Kansas median of Apr 18.
- Its 180-day growing season is longer than 29% of the 632 Kansas places with a regular frost season (state median 187 days).
- The last frost is typical for zone 6b, where the median is Apr 22.
- The weather station records an average of 124 nights a year at or below 32°F.
- Compared with Wichita, KS, 45 km away, the last frost here is 10 days later than there and the growing season is 21 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 6 |
| 50% (median) | April 21 |
| 10% (safe for tender plants) | May 4 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 2 |
| 50% (median) | October 18 |
| 90% (late) | October 31 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for Haven, KS
Haven, KS frost dates — last frost Apr 21, first frost Oct 18, zone 6b. whenisthelastfrost.com
When to plant vegetables in Haven, KS
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 27 – Feb 10 | Mar 24 – Apr 7 | — | — |
| Peppers | Feb 10 – Feb 24 | May 5 – May 19 | — | — |
| Eggplant | Feb 10 – Feb 24 | May 5 – May 19 | — | — |
| Tomatoes | Feb 24 – Mar 10 | Apr 28 – May 12 | — | — |
| Lettuce | Feb 24 – Mar 10 | Mar 31 – Apr 14 | Mar 24 – Apr 28 | Aug 23 – Sep 20 |
| Kale | Feb 24 – Mar 10 | Mar 24 – Apr 7 | Mar 24 – Apr 7 | Aug 9 – Aug 30 |
| Broccoli | Feb 24 – Mar 10 | Apr 7 – Apr 21 | — | Jul 12 – Aug 2 |
| Cabbage | Feb 24 – Mar 10 | Mar 31 – Apr 14 | — | Jul 12 – Aug 2 |
| Cauliflower | Feb 24 – Mar 10 | Apr 7 – Apr 21 | — | Jul 12 – Aug 2 |
| Okra | Mar 10 – Mar 24 | May 12 – May 26 | May 12 – May 26 | — |
| Basil | Mar 10 – Mar 24 | Apr 28 – May 12 | — | — |
| Peas | — | — | Mar 10 – Mar 31 | Jul 26 – Aug 16 |
| Spinach | — | — | Mar 10 – Mar 31 | Aug 23 – Sep 13 |
| Radishes | — | — | Mar 17 – Apr 28 | Sep 6 – Sep 27 |
| Cucumbers | Mar 24 – Mar 31 | May 5 – May 12 | Apr 28 – May 12 | Aug 2 – Aug 16 |
| Zucchini & Summer Squash | Mar 24 – Mar 31 | — | Apr 28 – May 12 | Aug 9 – Aug 23 |
| Winter Squash & Pumpkins | Mar 24 – Mar 31 | — | Apr 28 – May 12 | — |
| Melons & Watermelon | Mar 24 – Mar 31 | May 5 – May 19 | — | — |
| Carrots | — | — | Mar 31 – Apr 28 | Jul 26 – Aug 9 |
| Beets | — | — | Mar 31 – Apr 28 | Aug 9 – Aug 23 |
| Potatoes | — | — | Mar 31 – Apr 21 | — |
| Swiss Chard | — | — | Apr 7 – May 5 | Aug 9 – Aug 23 |
| Cilantro | — | — | Apr 7 – Apr 28 | Aug 23 – Sep 13 |
| Green Beans | — | — | Apr 28 – May 19 | Aug 2 – Aug 16 |
| Sweet Corn | — | — | Apr 28 – May 12 | — |
| Sweet Potatoes | — | May 5 – May 26 | — | — |
| Garlic | — | — | — | Oct 4 – Nov 8 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Hutchinson Muni Ap, KS weather station, 20 km away (elevation 1,542 ft (470 m)).
Frost dates near Haven
- Yoder Apr 21 · Oct 18
- Mount Hope Apr 21 · Oct 18
- Burrton Apr 21 · Oct 18
- Andale Apr 8 · Oct 27
- South Hutchinson Apr 18 · Oct 21
- Pretty Prairie Apr 20 · Oct 19
- Hutchinson Apr 18 · Oct 21
- Bentley Apr 14 · Oct 25
- Colwich Apr 8 · Oct 27
- Buhler Apr 21 · Oct 18
Frequently asked questions
When is the last frost in Haven, KS?
The median last spring frost in Haven, KS is April 21. There is still about a 10% chance of frost after May 4, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Haven, KS?
The median first fall frost is October 18, with about a 10% chance of frost before October 2.
How long is the growing season in Haven, KS?
About 180 days between the median last spring frost and first fall frost.
What planting zone is Haven, KS?
Haven, KS is in USDA hardiness zone 6b.