Rhubarb in Zone 10a
Rheum rhabarbarum
Method: Direct sow — Direct-sow outside — Rhubarb doesn't transplant well, or doesn't need the extra time indoors.
| Start indoors | Not typically started indoors |
|---|---|
| Direct sow / transplant outside | Jan 16–Jan 23 |
| Estimated harvest | ~1095 days after direct-sowing |
Spacing: about 10 square feet per plant (square-foot-gardening spacing).
Good companions
- Cabbage — Traditional companion pairing that makes good use of the space around rhubarb's large leaves.
- Onion — Alliums planted nearby are traditionally paired with rhubarb without competing for space.
Where to buy rhubarb seeds
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See it growing
Search YouTube for "growing rhubarb" videos → (a live search, not a hand-picked video — results vary and aren't vetted by us)
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