Great St. Johnswort
Botanical Name: Hypericum pyramidatum
En Français: Millepertuis
Magnificent vivacious plant with flowers that can be up to 5cm wide. Easy to cultivate, prefers damp soil and full sun. It can grow very tall with the rich soil conditions.
The top of the upper stems will terminate/branch into 1-5 short stems, each with a single flower.
Used in borders, woodland margins or slopes.
Planting and Care Considerations
Easily grown in moist, well-drained soils in full sun to part shade.
Cut off seed heads to prevent spread. Pull unwanted volunteers in Spring.
Spread: 1 to 3 feet
Water: Medium water required
Best Soil: Sandy Loam / Loam / Clay- Moisture Well drained, medium to moist