Manassas, VA 20110 Frost Dates
When can you plant in Manassas, VA?
The last spring frost here typically falls around 04/15, about 230 days from today. The first fall frost typically arrives around 10/24, about 194 frost-free days later.
The USDA Plant Hardiness Zone Map puts Manassas in Zone 7a (0 to 5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 8 weeks of growing season left in Manassas before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Manassas's last frost
04/15 is the middle of 30 years of NOAA records, not a promise. Plant by 03/31 and you're betting against frost in roughly 9 years out of 10. 04/30 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Manassas compares
About 194 days separate Manassas's last and first frost, putting it 19,420 of 40,283 ZIP codes nationally. Within VA, it ranks 748 of 1,178.
Learn more
local microclimates covers what one yard in Manassas can differ from the 20110 normal. zone vs. frost date covers why Zone 7a and Manassas's frost date answer different questions.