Haviland, KS frost dates
How Haviland compares
- In 8 years out of 10, the last spring frost in Haviland falls between April 7 and May 3, a 26-day window. The first fall frost falls between October 6 and November 4.
- The median last frost is 3 days later than the Kansas median of Apr 18.
- Its 184-day growing season is longer than 43% 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 130 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 7 |
| 50% (median) | April 21 |
| 10% (safe for tender plants) | May 3 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 6 |
| 50% (median) | October 22 |
| 90% (late) | November 4 |
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 Haviland, KS
Haviland, KS frost dates — last frost Apr 21, first frost Oct 22, zone 6b. whenisthelastfrost.com
When to plant vegetables in Haviland, 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 27 – Sep 24 |
| Kale | Feb 24 – Mar 10 | Mar 24 – Apr 7 | Mar 24 – Apr 7 | Aug 13 – Sep 3 |
| Broccoli | Feb 24 – Mar 10 | Apr 7 – Apr 21 | — | Jul 16 – Aug 6 |
| Cabbage | Feb 24 – Mar 10 | Mar 31 – Apr 14 | — | Jul 16 – Aug 6 |
| Cauliflower | Feb 24 – Mar 10 | Apr 7 – Apr 21 | — | Jul 16 – Aug 6 |
| 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 30 – Aug 20 |
| Spinach | — | — | Mar 10 – Mar 31 | Aug 27 – Sep 17 |
| Radishes | — | — | Mar 17 – Apr 28 | Sep 10 – Oct 1 |
| Cucumbers | Mar 24 – Mar 31 | May 5 – May 12 | Apr 28 – May 12 | Aug 6 – Aug 20 |
| Zucchini & Summer Squash | Mar 24 – Mar 31 | — | Apr 28 – May 12 | Aug 13 – Aug 27 |
| 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 30 – Aug 13 |
| Beets | — | — | Mar 31 – Apr 28 | Aug 13 – Aug 27 |
| Potatoes | — | — | Mar 31 – Apr 21 | — |
| Swiss Chard | — | — | Apr 7 – May 5 | Aug 13 – Aug 27 |
| Cilantro | — | — | Apr 7 – Apr 28 | Aug 27 – Sep 17 |
| Green Beans | — | — | Apr 28 – May 19 | Aug 6 – Aug 20 |
| Sweet Corn | — | — | Apr 28 – May 12 | — |
| Sweet Potatoes | — | May 5 – May 26 | — | — |
| Garlic | — | — | — | Oct 8 – Nov 12 |
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 Greensburg, KS weather station, 15 km away (elevation 2,244 ft (684 m)).
Frost dates near Haviland
- Greensburg Apr 21 · Oct 22
- Coats Apr 20 · Oct 20
- Byers Apr 20 · Oct 20
- Mullinville Apr 21 · Oct 22
- Wilmore Apr 13 · Oct 27
- Sun City Apr 25 · Oct 15
- Lewis Apr 20 · Oct 20
- Pratt Apr 20 · Oct 20
- Belpre Apr 20 · Oct 20
- Iuka Apr 20 · Oct 20
Frequently asked questions
When is the last frost in Haviland, KS?
The median last spring frost in Haviland, KS is April 21. There is still about a 10% chance of frost after May 3, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Haviland, KS?
The median first fall frost is October 22, with about a 10% chance of frost before October 6.
How long is the growing season in Haviland, KS?
About 184 days between the median last spring frost and first fall frost.
What planting zone is Haviland, KS?
Haviland, KS is in USDA hardiness zone 6b.