When to plant oregano in Olympia, WA
Plant young oregano plants in Olympia Apr 1 – May 27.
Why these dates
Olympia's typical last spring frost is April 29. As a cool-season crop that handles light frost, this crop can go in about 4 weeks before that.
West-side valleys. The Willamette Valley, Puget Sound and southern Oregon valleys. Long frost-free seasons, but soil stays cold and wet into May, so warm crops wait for warm soil, not just the last frost.
- Difficulty
- Easy
- Sun
- Full sun
- Spacing
- 12 to 18 inches apart
- Planting depth
- Plant at the depth it grew in the nursery pot
- Frost
- Handles light frost
- First harvest
- Pick lightly the first year, freely after that
Step by step
- Pick a sunny spot with soil that drains well, and mix in an inch or two of compost.
- Plant young oregano plants Apr 1 – May 27, 12 to 18 inches apart. Plant at the depth it grew in the nursery pot.
- Water sparingly once established. Rich soil makes the flavor milder, so skip the fertilizer.
- Harvest: Cut stems just before flowering, when flavor peaks. Dry bunches upside down in a shady, airy spot.
Varieties that do well here
- Greek oregano (strongest flavor)
- Italian oregano
- Golden oregano
Watch out for
Few pests. Plants sprawl and get woody; cut them back by half in early summer.
A hardy perennial that thrives on neglect. Flavor is strongest just before it flowers.
Common questions
When is the last frost in Olympia, WA?
Typically April 29. In 9 years out of 10, frost is over by May 15. These are 1991–2020 NOAA climate normals for Olympia Airport.
Is it too late to plant oregano in Olympia?
The spring planting window runs through May 27. Later plantings tend to struggle in summer heat.
How long until I can pick oregano?
Pick lightly the first year, freely after that. Cut stems just before flowering, when flavor peaks. Dry bunches upside down in a shady, airy spot.
Also plant in Olympia around the same time
Planting dates for oregano in nearby areas
- Portland, OR Mar 15 – May 10
- Gresham, OR Mar 15 – May 10
- Wilsonville and Canby, OR Mar 15 – May 10
- Salem, OR Mar 15 – May 10
- Eugene, OR Mar 15 – May 10
- Roseburg, OR Mar 15 – May 10