Hypericum kalmianum (Kalm's St. John's Wort) is a species of shrub in the family Hypericaceae. They have a self-supporting growth form. They are native to Canada, The Contiguous United States, North America, and Australia. They have simple, broad leaves. Flowers are visited by Spilomyia fusca, Leafcutter bee, Tricolored Bumble Bee, and Brown-belted Bumblebee. Individuals can grow to 0.7 m.
EOL has data for 19 attributes, including: