Hypericum prolificum

Shrubby St. Johnswort

Form and Growth Characteristics:
Plant Type - Shrub
Growth Rate - Slow to medium
Mature Height - 3'
Mature Width - 3-6'
Longevity - Very short lived (perhaps only 2-3 years)

Shrubby St. Johnswort flowers

Close up of shrubby St. Johnswort flowers.

Ornamental Characteristics:
Flower - Bright yellow, 0.75-1" diameter, late June-August
Fruit - A dry, 0.33" long, red-brown to maroon purple, 3-valved capsule; persists all winter, offering a good identification feature. The seeds create a rattle-like noise when shaken.
Leaf -
Fall Color - No significant fall color
Bark - Light brown, older branches with exfoliating bark.
Other Features - Fruit can be dried and used in flower arrangements
Possible Use -
Season Of Interest -

Culture and Care:
Care Requirements - Adaptable to many conditions, but performs best in dry, rocky, slightly acidic soils.
Native Habitat - New Jersey and Iowa to Georgia
Diseases and Insects - No serious insect or disease problems
Strength -
Weakness -

Plants of this taxon:
Bed 59

Find Related Plants:
- Other plants with the common name St. Johnswort.
- Other plants of the family Clusiaceae.
- Other plants of the genus Hypericum.
- Other plants of the species Hypericum prolificum.