Goldenseal in Zone 8a & 8b
Hydrastis canadensis
When to plant goldenseal in zone 8b
Zones 8a and 8b share the same average frost dates in our data, so this page covers both.
Method: Direct sow: Direct-sow outside. Goldenseal doesn't transplant well, or doesn't need the extra time indoors.
| Start indoors | Not typically started indoors |
|---|---|
| Direct sow / transplant outside | Mar 25–Apr 1 |
| Estimated harvest | Jul 7 '30–Jul 14 '30 (~1200 days after direct-sowing) |
Spacing: 4 per square foot (square-foot-gardening spacing). Mature height: 1 ft.
Goldenseal is a shade-dependent Native American medicinal root, propagated from root divisions rather than seed, since any piece with a bud and a few fibrous roots will grow into a new plant.
How goldenseal fits zone 8's season
Zone 8b's frost-free window runs about 230 days, from March 25 to November 10. Goldenseal needs about 1200 days from sowing to first harvest.
Good companions
No standout companions recorded yet for Goldenseal.
Where to buy goldenseal seeds
See why we recommend these suppliers →
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See it growing
Search YouTube for "growing goldenseal" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
← Back to the full zone 8b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →
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Growing Goldenseal in USDA zone 8b: when to start seeds indoors, when to direct-sow, and when to expect a harvest.
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