When to plant garlic in Roseburg, OR
Plant garlic in Roseburg 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 Roseburg the first fall frost usually comes around November 20.
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
- 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 Roseburg, OR?
Typically March 19. In 9 years out of 10, frost is over by April 13. These are 1991–2020 NOAA climate normals for Roseburg Regional Airport.
When is garlic ready to harvest in Roseburg?
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 Roseburg around the same time
Planting dates for garlic in nearby areas
- Portland, OR Oct 1 – Nov 15
- Gresham, OR Oct 1 – Nov 15
- Wilsonville and Canby, OR Oct 1 – Nov 15
- Salem, OR Oct 1 – Nov 15
- Eugene, OR Oct 1 – Nov 15
- Medford, OR Oct 1 – Nov 15