Great St. Johnswort

Great St. Johnswort

Botanical Name: Hypericum pyramidatum

En Fran├žais: Millepertuis


Colour: Yellow

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.

Other Characteristics

Pollinators: Bumble bees

Sun/Shade: Full Sun

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.

Try pairing Hypericum prolificum with Aster oblongifolius, Hibiscus moscheutos, Monarda fistulosa.

Spread: 1 to 3 feet

Water: Medium water required

Best Soil: Sandy Loam / Loam / Clay- Moisture Well drained, medium to moist

Growth Habit: 

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