St. John's wort is a sun loving shrub with upright branching and bright yellow flowers that grows in a dense mound to 2-3' tall. Native to many parts of North America. 'Ames' was developed at Iowa State University for improved winter hardiness.
- Secondary Name:
- St. John's Wort
- Plant Type:
- Deciduous Shrubs
- Hardiness Zone:
- ZONE 4
- Native:
- North East/Great Lakes
- Sun Exposure:
- SUN
- Ultimate Plant Height:
- HT 2-3'
- Ultimate Spread:
- SP 2-3'
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