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Connecticut Wildflowers
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Great St. Johnswort
Hypericum ascyron (Hypericum pyramidatum)

Great St. Johnswort is a species of special concern in Connecticut. This plant was photographed in New England Wild Flower Society's rare plants garden.

• Family: Mangosteen (Clusiaceae)
• Habitat: streambanks, wet meadows and thickets
• Height: 2-6 feet
• Flower size: 2 inches across
• Flower color: yellow
• Flowering time: June to August
• Origin: native

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Hypericum ascyron
Hypericum ascyron
Hypericum ascyron
The fruits of great St. Johnswort are large, pyramid-shaped capsules.

Last updated November 13, 2005. © 2005 Connecticut Botanical Society. All rights reserved.