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.
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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Recent Kalm's St. John's-wort sightings near you
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