Rainline Garden

When to plant onion family in the Northwest

Onions, garlic, leeks and shallots. Pick a plant for its dates in every city we cover and a step-by-step growing guide.

Planting windows at a glance

Main planting window in four reference cities. Each plant's page has every city.

PlantPortlandSeattle and TacomaBend and RedmondSpokane
OnionsMar 1 – Apr 5Mar 1 – Apr 5Apr 28 – Jun 2Apr 1 – May 6
GarlicOct 1 – Nov 15Oct 1 – Nov 15Oct 15 – Nov 15Sep 25 – Oct 31
LeeksMar 15 – Apr 26Mar 15 – Apr 26May 12 – Jun 23Apr 15 – May 27
ShallotsOct 1 – Nov 15Oct 1 – Nov 15Oct 15 – Nov 15Sep 25 – Oct 31

Other plant types