Zone Map 4-10

Growth Cycle

Growth Cycle N/A
Bloom: Bloom Season Scale
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Late Spring


  • Native to North America
  • Thrives in wet areas
  • Bioretention/Rain Gardens
  • Bioswales/Vegetated swales


  • Growth rate: medium
  • Grow in 1, 2 or 3 gallon containers
  • Grow in well-drained soil
  • Water needs: keep evenly moist; do not allow to dry out
  • Fertilizing: use a slow release, medium-rate fertilizer
  • Possible pests: no known major pests
  • Overwintering: no special overwintering needs
  • Overwintering: no special overwintering needs

*Note: please adapt these suggestions as needed to accommodate your local conditions.


  • Vase-shape adds a structural element to gardens
  • Use in containers with other moist loving plants such as those in the Acorus genus
  • Appropriate for ponds and water gardens, at the edge or in the water
  • Tolerant of intermittent dry conditions and regular garden soil
  • A great choice for rain gardens
  • Very adaptable to fluctuating water conditions

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