La Conner, WA 98257 Frost Dates
When can you plant in La Conner, WA?
The last spring frost here typically falls around 03/13, about 197 days from today. The first fall frost typically arrives around 11/14, about 244 frost-free days later.
The USDA Plant Hardiness Zone Map puts La Conner in Zone 8b (15 to 20°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 11 weeks of growing season left in La Conner before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
03/13 is the middle of 30 years of NOAA records, not a promise. Plant by 02/20 and you're betting against frost in roughly 9 years out of 10. 04/01 is the safer bet, historically only a 1-in-10 chance of frost that late.
How La Conner compares
About 244 days separate La Conner's last and first frost, putting it 8,257 of 40,283 ZIP codes nationally. Within WA, it ranks 159 of 700.
Learn more
local microclimates covers what one yard in La Conner can differ from the 98257 normal. zone vs. frost date covers why Zone 8b and La Conner's frost date answer different questions.