Onion in Zone 8a

Allium cepa

Start indoorsJan 28–Feb 4
Direct sow / transplant outsideMar 4–Mar 11
Estimated harvest~100 days after transplanting

Spacing: 9 per square foot (square-foot-gardening spacing).

Good companions

Where to buy onion seeds

Some links on this page go to retailers we may eventually earn a commission from as an affiliate, at no extra cost to you. We only recommend products with a genuine consensus of positive, independent reviews β€” see the sources cited on each item.

See it growing

Search YouTube for "growing onion" videos β†’ (a live search, not a hand-picked video β€” results vary and aren't vetted by us)

← Back to the full zone 8a calendar Β· Full companion planting guide Β· Full plant profile Β· Plan your beds in the Garden Designer β†’