University of Illinois Home Contact Search
UI Plants Woody Ornamentals
Advanced Search
Select a Plant
ResourcesLinks
Plant Details
habit
leaves
buds
stems
flowers
fruits
fallcolor
bark
culture

 

 

 



 

Hypericum kalmianum
Kalm hypericum

Culture: Similar to other St. Johnsworts, this species tolerates acid or alkaline soils and prefers full sun to partial shade.

Usage: This small species forms nice masses and is used in shrub borders for its bright yellow summer flowers.

 
All information on this site is copyright protected. Please see our copyright statement.  
©2025  Gary J. Kling, University of Illinois at Urbana-Champaign
  Christopher P. Lindsey, hort.net, NCSA
  Mark E. Zampardo, College of Lake County