Burlington, WA 98232 Frost Dates
When can you plant in Burlington, WA?
The last spring frost here typically falls around 03/27, about 211 days from today. The first fall frost typically arrives around 11/06, about 224 frost-free days later.
Zone 8b (15 to 20°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Burlington, not a forecast for this year.
What to do before the first frost
About 10 weeks of growing season left in Burlington before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Burlington's last frost
03/27 is the middle of 30 years of NOAA records, not a promise. Plant by 03/08 and you're betting against frost in roughly 9 years out of 10. 04/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Burlington compares
Burlington's growing season runs about 224 days, ranking 11,793 of 40,283 US ZIP codes measured here, longest to shortest. Within WA, it ranks 215 of 700.
Learn more
zone vs. frost date covers why Zone 8b and Burlington's frost date answer different questions. the frost range covers how to read the range around Burlington's dates instead of trusting one.