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Shrubby St. John’s wort

Scientific name

Hypericum prolificum


The Shrubby St. John's Wort is a small 1m tall, round, deciduous shrub which grows stiff, erect branches with red to purple bark. Leaves produced are blue-green, simple, elliptical-shaped, 3-7 cm long and oppositely arranged along the branch. During the fall, the leaves turn a deep red colour. This species yields large bright yellow flowers which grow in clusters of at the terminal end of branches during late June to August. By September, the flowers become brown seed pods and release small black seeds throughout October. Shrubby St. John's Wort produces fibrous, spreading roots, making it an ideal species for bank stabilization applications.

Planting conditions

Shrubby St. John's Wort prefers dry to moist soils composed of sand, loam, or rocky materials. This is a highly adaptable species that tolerates drought, as well as brief flooding. It thrives in full sun to part shade conditions. Shrubby St. John's Wort can naturally be found growing in fields, open woods, wooded slopes, along streams, and in moist valleys.


  • Plant height:
    • Max 1.5m
    • Max 2m
    • Max 3m
    • Any
  • Moisture level:
    • Dry
    • Normal
    • Moist
    • Drought Tolerant
    • Flood Tolerant
  • Light conditions:
    • Full sun
    • Partial sun
  • Soil type:
    • Sandy
    • Clay
    • Rocky
  • pH:
    • Normal
  • Depth:
    • Potted
    • Bareroot
  • Eco Zone:
    • 6a
    • 6b
    • 7a
    • 7b
  • Plant type:
    • Shrub
  • Height:
    • 1 m
  • Spread:
    • 1 m