Common
name: "Saint John's Wort" or "Rose of
Sharon"
Latin name: Hypericum calycinum
Zone: 5
- 9
Elevation to:
Growth habit: Mat forming
Max height: 8" - 12"
Spread: Unlimited
Flowers: Yes, July - August Flower type: Cymes
Native to area: No
Available varieties: 3+
Sunshine:
Water:
Pictured: Saint
John's Wort
Hypericum
calycinum
Perennial
Cultivation:
Plant Saint John's Wort in partial sun to full shade in fertile well drained soil.
Hypericum tolerates dry conditions and poor soils well. "Saint John's
Wort" may not be winter hardy in some areas in Colorado.
Grows well in containers.
After Saint John's Wort flowers it will produce a spray of
berries on the top of the plant which are great for adding to
floral arrangements.
Propagation:
Purchase pre-started Saint John's Wort plants at your local Garden Center.
Once established plants can be divided in spring.
Potential pests ~ diseases: Thrips. We have an image
of a Thrip in the House Plant section.
