Shrubby St. John's Wort Seeds
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Per Packet
In stock
SKU
AM013357
This native species boasts unique, bright yellow blooms on mound-shaped, shrubby foliage. Growing up to 3 feet tall, this shrub is easy to grow and adapts to a variety of climates. Perennial.
| Zones | 3 - 8 |
|---|---|
| Advantages | |
| Light Requirements | |
| Mature Plant Size | 12-48" tall |
| Bloom Time | Early to late summer |
| Size | Packet |
| SKU | AM013357 |
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).