Spotted St. Johnswort (Hypericum punctatum)

Common names:
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General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Plant Height: 12 - 30 inches
Leaves: Good fall color
Unusual foliage color
Flowers: Showy
Flower Color: Yellow
Flower Time: Summer
Late summer or early fall
Underground structures: Taproot
Uses: Medicinal Herb
Will Naturalize
Wildlife Attractant: Bees

Steven J. Baskauf

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Posted by SongofJoy (Clarksville, TN - Zone 6b) on Nov 4, 2013 9:03 AM

Attracts long-tongued and short-tongued bees, including bumblebees and Halictid bees, beetles and Syrphid flies. The flowers of this plant produce abundant pollen but no nectar. The caterpillars of Strymon melinus (Gray Hairstreak Butterfly) are reported to eat the seed capsules. The caterpillars of the Gray Half-Spot moth eat the foliage. Mammals usually don't consume this plant because the leaves contain the photosensitive toxin, hypericin. Fair and light-skinned animals are especially sensitive to this toxin that can cause the skin to blister in sunlight. It can also cause gastrointestinal irritation.

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Discussion Threads about this plant
Thread Title Last Reply Replies
Plant in FL by rockpile1369 Nov 17, 2017 10:18 AM 6
Several to ID by hazeleyes Jul 29, 2014 8:35 PM 4

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