Gardening Calendar
Great gardens don't just happen. They take careful planning. This garden calendar should help with your planning process.
Average Frost Free Dates for Johnson County, Kansas
Spring Percentage Chance of Frost |
Dates |
50/50 Chance | April 15 (Average last frost date) |
40% | April 18 |
30% | April 21 |
20% | April 25 |
10% | April 30 |
5% | May 4 |
1% | May 13 |
- Earliest date of last frost was March 15, 1910.
- Latest date of last frost was May 14, 1914.
Fall
Percentage Chance of Frost (32 degrees F) |
Dates |
50/50 Chance | October 23 (Average first frost date) |
40% | October 20 |
30% | October 17 |
20% | October 13 |
10% | October 9 |
5% | October 5 |
1% | September 29 |
- Earliest date of first frost was September 24, 1942.
- Latest date of first frost was November 11, 1946.
Have questions?
The Hotline is staffed by trained EMG volunteers and Extension staff from 9AM to 4PM who will assist you with questions. Phone: (913) 715-7050
Email: garden.help@jocogov.org