When to Plant Celery in Washington
Washington spans USDA hardiness 6a to 9b (zones 6a to 9b on this page). Plant celery by your local frost date, not the calendar — pick your zone below for exact start-indoors, transplant, and harvest dates.
Jump to: Zone 6a · Zone 6b · Zone 7a · Zone 7b · Zone 8a · Zone 8b · Zone 9a · Zone 9b
Celery planting calendar for Washington, Zone 6a
Average last spring frost
April 25
Average first fall frost
October 10
Start seeds indoors
Feb 28
Transplant outdoors
Apr 11
Projected first harvest
Jul 30
Most celery mature in about 100 to 110 days depending on the variety. Full zone 6 guide (both 6a and 6b) →
Celery planting calendar for Washington, Zone 6b
Average last spring frost
April 20
Average first fall frost
October 15
Start seeds indoors
Feb 23
Transplant outdoors
Apr 6
Projected first harvest
Jul 25
Most celery mature in about 100 to 110 days depending on the variety. Full zone 6 guide (both 6a and 6b) →
Celery planting calendar for Washington, Zone 7a
Average last spring frost
April 15
Average first fall frost
October 20
Start seeds indoors
Feb 18
Transplant outdoors
Apr 1
Projected first harvest
Jul 20
Most celery mature in about 100 to 110 days depending on the variety. Full zone 7 guide (both 7a and 7b) →
Celery planting calendar for Washington, Zone 7b
Average last spring frost
April 10
Average first fall frost
October 30
Start seeds indoors
Feb 13
Transplant outdoors
Mar 27
Projected first harvest
Jul 15
Most celery mature in about 100 to 110 days depending on the variety. Full zone 7 guide (both 7a and 7b) →
Celery planting calendar for Washington, Zone 8a
Average last spring frost
April 1
Average first fall frost
November 10
Start seeds indoors
Feb 4
Transplant outdoors
Mar 18
Projected first harvest
Jul 6
Most celery mature in about 100 to 110 days depending on the variety. Full zone 8 guide (both 8a and 8b) →
Celery planting calendar for Washington, Zone 8b
Average last spring frost
March 20
Average first fall frost
November 20
Start seeds indoors
Jan 23
Transplant outdoors
Mar 6
Projected first harvest
Jun 24
Most celery mature in about 100 to 110 days depending on the variety. Full zone 8 guide (both 8a and 8b) →
Celery planting calendar for Washington, Zone 9a
Average last spring frost
March 1
Average first fall frost
December 1
Start seeds indoors
Jan 4
Transplant outdoors
Feb 15
Projected first harvest
Jun 5
Most celery mature in about 100 to 110 days depending on the variety. Full zone 9 guide (both 9a and 9b) →
Celery planting calendar for Washington, Zone 9b
Average last spring frost
February 15
Average first fall frost
December 15
Start seeds indoors
Dec 21
Transplant outdoors
Feb 1
Projected first harvest
May 22
Most celery mature in about 100 to 110 days depending on the variety. Full zone 9 guide (both 9a and 9b) →
Not sure which half-zone you're in? Set your ZIP in HomeSown for dates tuned to your exact location.
Varieties to grow
2 varieties of celery in the HomeSown library. Tap any for its full grow guide.
Common problems with celery
What to watch for, with identification and treatment for each
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