Gardening Calendar

Great gardens don't just happen. They take careful planning. This garden calendar should help with your planning process.

• January
• February
• March
• April
• May
• June
• July
• August
• September
• October
• November
• December

Average Frost Free Dates for Johnson County, Kansas

Spring Percentage Chance of Frost (32 degrees F)	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