Frost Dates: First and last frost dates for Kassler, CO

In the Spring
Temperature 10% 20% 30% 40% 50% 60% 70% 80% 90%
Last 16° Apr 14 Apr 9 Apr 5 Apr 2 Mar 30 Mar 27 Mar 24 Mar 21 Mar 16
Last 20° Apr 23 Apr 17 Apr 14 Apr 11 Apr 8 Apr 5 Apr 2 Mar 29 Mar 24
Last 24° Apr 30 Apr 25 Apr 21 Apr 18 Apr 16 Apr 13 Apr 10 Apr 6 Apr 2
Last 28° May 9 May 4 May 1 Apr 29 Apr 26 Apr 24 Apr 21 Apr 18 Apr 14
Last 32° May 28 May 23 May 19 May 16 May 13 May 10 May 7 May 3 Apr 27
Last 36° Jun 7 Jun 1 May 28 May 25 May 22 May 19 May 15 May 11 May 6

In the Fall
Temperature 10% 20% 30% 40% 50% 60% 70% 80% 90%
First 16° Oct 26 Oct 30 Nov 2 Nov 5 Nov 7 Nov 10 Nov 12 Nov 15 Nov 19
First 20° Oct 13 Oct 18 Oct 21 Oct 24 Oct 27 Oct 30 Nov 2 Nov 6 Nov 11
First 24° Oct 3 Oct 8 Oct 12 Oct 16 Oct 19 Oct 23 Oct 26 Oct 30 Nov 5
First 28° Sep 25 Oct 1 Oct 5 Oct 9 Oct 12 Oct 16 Oct 19 Oct 23 Oct 29
First 32° Sep 15 Sep 20 Sep 23 Sep 26 Sep 29 Oct 1 Oct 4 Oct 8 Oct 12
First 36° Sep 14 Sep 17 Sep 20 Sep 23 Sep 25 Sep 27 Sep 29 Oct 2 Oct 6

Now that you know your frost dates, use our Garden Planting Calendar for Kassler, CO to know when to sow and transplant your various vegetable plants!

Data is provided by the NOAA National Centers for Environmental Information. Photography by Garden.org member TBGDN.

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