When to plant garlic in Astoria, OR
Plant garlic in Astoria from Oct 1 – Nov 15. It grows slowly over winter and is ready to dig the next summer.
Why these dates
Garlic needs a cold winter to form bulbs, so it goes in during fall, after the soil cools but before it freezes hard. In Astoria the first fall frost usually comes around November 11.
Coast. Mild winters but cool, foggy summers. Frost is rarely the problem; warmth is. Pick early, cool-tolerant varieties of tomatoes and squash.
- Difficulty
- Easy
- Sun
- Full sun
- Spacing
- 6 inches apart
- Planting depth
- 2 inches deep, pointed end up
- Frost
- Very hardy; grows through winter
Step by step
- Buy seed garlic from a garden center or seed company. Grocery-store garlic is often a variety that doesn't suit Northwest winters.
- Loosen the soil and mix in an inch or two of compost.
- Break bulbs into cloves and plant them Oct 1 – Nov 15, 2 inches deep, pointed end up, 6 inches apart.
- Cover the bed with a few inches of straw or leaves for winter. Pull weeds in spring and stop watering in early summer when the leaves start to brown.
- Harvest: Dig in early summer when the lower third of the leaves are brown. Cure in a shady, airy spot for three weeks.
Varieties that do well here
- Music (hardneck)
- Inchelium Red (softneck, from Washington)
- Chesnok Red
Watch out for
Rust (orange spots on leaves) in wet springs. It's mostly cosmetic; give plants space and pull weeds.
Planted in fall, harvested the next summer when the lower leaves brown.
Common questions
When is the last frost in Astoria, OR?
Typically March 26. In 9 years out of 10, frost is over by April 18. These are 1991–2020 NOAA climate normals for Astoria Regional Airport.
When is garlic ready to harvest in Astoria?
Usually in early summer, about eight months after fall planting. Dig in early summer when the lower third of the leaves are brown. Cure in a shady, airy spot for three weeks.
Also plant in Astoria around the same time
Planting dates for garlic in nearby areas
- Coos Bay and North Bend, OR Oct 1 – Nov 15
- Aberdeen and Hoquiam, WA Oct 1 – Nov 15
- Forks, WA Oct 1 – Nov 15