Kalm's St. John's-wort is a compact shrub with vibrant yellow flowers. It is native to the Great Lakes region and is valued for its ornamental qualities.
Habitat
Grows in sandy soils near lakes and rivers.
Diet
Attracts pollinators such as bees and butterflies.
How common
Rare
Best time to see a Kalm's St. John's-wort
The best time to see a Kalm's St. John's-wort is June–July, when about 63% of U.S. sightings happen, based on 621 research-grade iNaturalist observations.
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