#1921 most planted
Hypericum kalmianum
Kalm's St. Johns wort · also Kalm's St. Johnswort
14
trees mapped
0.00%
of all named trees
1
city
1.0 yr
median age (100% have a planting date)
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Hypericum kalmianum, commonly called Kalm's St. Johns wort, is a flowering subshrub or shrub native to the Great Lakes region of the northern United States and southern Canada.
Where it grows
Trees in each city's inventory, with the share of that city's named trees this species accounts for.
- 140.01%1.0 yr—
Native range
Terrestrial ecoregions where this species is native. Trees in the dataset mostly stand well outside it.
Temperate Broadleaf & Mixed Forests
- Eastern Canadian Forest-Boreal transition
- Eastern Great Lakes lowland forests
- Southern Great Lakes forests
Other Hypericum in the catalogue
2 of the top 2,000 species are in this genus.