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Hypericum calycinum
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Hypericum calycinum
Garden Diary


Date purchased or acquired:




Where acquired:




Location in the garden:




Observations:















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Hypericum calycinum


St. John’s-wort

 USDA Zone: 5-9

Plant number: 7.355.050


Also called Rose-of-Sharon. A popular groundcover, with large golden-yellow flowers appearing throughout the summer and fall. Plants have upright stems of bright green leaves, forming a dense weed-proof patch. To encourage a bushy habit, pinch the growth tips in the spring for the first two to three seasons. Especially useful for stabilizing slopes. Excellent among shrubs and trees. Evergreen in mild winter areas. Drought tolerant once established. Space at 5 to 10 plants per square yard.

Further details for
Hypericum calycinum


Optimal Growing
Conditions		 Appearance and
Characteristics
Sun Exposure
Soil Type
Soil pH
Soil Moisture
Care Level 		Flower Colour
Blooming Time
Foliage Color
Plant Uses & Characteristics
Height
   30-45 cm
   12-18 inches
Spread
   30-60 cm
   12-23 inches
Foot Traffic
  
Growth Rate
  
Disclaimer: This information is presented for reference only. This plant is not currently part of our Heritage Perennials lineup.