Sweet Black Eyed Susan Seeds
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SKU
AM013513
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Rudbeckia subtomentosa is a beautiful Black-Eyed Susan perennial with anise-scented blooms.
| Zones | 4 - 8 |
|---|---|
| Advantages | |
| Light Requirements | |
| Mature Height | 36-60" tall |
| Bloom Time | Mid summer to fall |
| Size | Packet |
| SKU | AM013513 |
USDA Hardiness Planting Zones
To determine if a plant is sufficiently cold hardy, the USDA created numbered zones indicating winter low temperatures; the lower the zone number the colder the winter.
- If the coldest winter temperature expected in your area is -15°F (zone 5) then any plants rated zones 3-5 will survive the winter temperatures in your area.
- If you live in very warm winter areas (zones 9-11) plants with zones 3-4 ratings are not recommended. The lack of freezing winter temperatures do not provide a time for winter dormancy (rest).