Collard Greens in Zone 3b
Brassica oleracea (Acephala group)
Method: Either โ Start indoors for an earlier harvest, or direct-sow outside for less fuss โ Collard Greens tolerates either.
| Start indoors | Apr 11โApr 18 |
|---|---|
| Direct sow / transplant outside | May 9โMay 16 |
| Estimated harvest | ~70 days after planting |
Spacing: 1 per square foot (square-foot-gardening spacing).
Good companions
- Onion โ Onion scent may help deter common collard pests.
- Dill โ Attracts beneficial predatory wasps that help protect brassicas.
Where to buy collard greens seeds
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See it growing
Search YouTube for "growing collard greens" videos โ (a live search, not a hand-picked video โ results vary and aren't vetted by us)
โ Back to the full zone 3b calendar ยท Full companion planting guide ยท Full plant profile ยท Plan your beds in the Garden Designer โ