Frost Dates: First and last frost dates for Upper Marlboro, MD

In the Fall
Temperature 10% 20% 30% 40% 50% 60% 70% 80% 90%
First 16° Nov 28 Dec 4 Dec 9 Dec 13 Dec 16 Dec 20 Dec 23 Dec 28 Jan 3
First 20° Nov 14 Nov 21 Nov 26 Nov 29 Dec 3 Dec 7 Dec 11 Dec 15 Dec 22
First 24° Oct 27 Nov 2 Nov 7 Nov 11 Nov 15 Nov 19 Nov 23 Nov 28 Dec 4
First 28° Oct 15 Oct 20 Oct 24 Oct 27 Oct 29 Nov 1 Nov 4 Nov 8 Nov 12
First 32° Oct 5 Oct 10 Oct 14 Oct 17 Oct 20 Oct 23 Oct 26 Oct 29 Nov 3
First 36° Sep 24 Sep 28 Oct 2 Oct 5 Oct 8 Oct 11 Oct 14 Oct 17 Oct 22

In the Spring
Temperature 10% 20% 30% 40% 50% 60% 70% 80% 90%
Last 16° Mar 21 Mar 13 Mar 7 Mar 2 Feb 26 Feb 21 Feb 16 Feb 10 Feb 2
Last 20° Mar 25 Mar 19 Mar 15 Mar 12 Mar 9 Mar 6 Mar 2 Feb 26 Feb 21
Last 24° Apr 8 Apr 3 Mar 30 Mar 27 Mar 24 Mar 21 Mar 18 Mar 14 Mar 9
Last 28° Apr 17 Apr 12 Apr 9 Apr 5 Apr 3 Mar 31 Mar 28 Mar 24 Mar 19
Last 32° Apr 29 Apr 24 Apr 21 Apr 18 Apr 15 Apr 12 Apr 9 Apr 6 Apr 1
Last 36° May 17 May 13 May 10 May 7 May 4 May 2 Apr 29 Apr 26 Apr 22

Now that you know your frost dates, use our Garden Planting Calendar for Upper Marlboro, MD 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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