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St. John's Wort

2 Gallon

Hypericum kalmianum

Compact and easy to grow, Kalm St. John's Wort is a small semi-evergreen shrub with showy, golden yellow flowers blooming for about 6 weeks in mid to late summer. Rich in nectar, they are a favorite of butterflies, bumblebees, or other pollinators and are excellent for cutting. Perfect for borders, rock gardens, slopes and naturalized areas. Makes an excellent low hedge.  

  • Height:  2 to 3 feet
  • Width:  2 to 3 feet
  • Habit:  Rounded
  • Exposure:  Full Sun to Partial Sun
  • Foliage:  Yellowish-Green
  • Zone:  4-7