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Hypericum calycinum (St. John's Wort, Aaron's Beard)

Type: Species | Edit History      Plant ID - 21430



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Jewell (5504)

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2 ratings



Scientific Classification
Kingdom: Plantae
Division: Magnoliophyta
Class: Magnoliopsida
Order: Theales
Family: Clusiaceae
Genus: Hypericum
Species: Hypericum calycinum
 
Common Names add
Plant Types edit
  • Deciduous
  • Drought Tolerant
  • Perennial
  • Shrub
Zones / Hardiness edit
  • 5a (to -15 F / -26 C)
  • 5b (to -10 F / -23 C)
  • 6a (to -5 F / -21 C)
  • 6b (to 0 F / -18 C)
  • 7a (to 5 F / -15 C)
  • 7b (to 10 F / -12 C)
  • 8a (to 15 F / -9 C)
  • 8b (to 20 F / -7 C)
  • 9a (to 25 F / -4 C)
  • 9b (to 30 F / -1 C)
Height (Maximum) edit
  • 1 to 1 1/2 feet (30 to 45 cm)
Spread (Maximum) edit
  • 1 to 1 1/2 feet (30 to 45 cm)
Flowering Start edit
  • June
Flowering End edit
  • September
Leaf Colour edit
  • Green - Dark
Leaf Shape edit
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Suitable For edit
  • Border/Bed
  • Edging
  • Low Maintenance Garden
Sun Exposure edit
  • Full Sun
  • Partial Shade
Soil Types edit
  • Dry
  • Well-drained
  • Loamy / Medium
  • Sandy / Light
  • Poor
Soil pH edit
Bloom Colour edit
  • Yellow/Gold
Wildlife Value edit
  • Deer Resistant
  • Rabbit Resistant
  • Slug / Snail Resistant
Propagation Techniques edit
  • Layering - Simple
  • Leaf Cuttings
  • Stolon / Runner
Skill Level edit
  • Beginner
Additional Short Notes add
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Members who grow this plant also grow...
  Festuca glauca (Blue Fescue)
  Sedum sexangulare (Tasteless Stonecrop, Yellow Stonecrop)
  Hylotelephium telephium 'Beka' (Autumn Delight)
  Crocosmia X crocosmiiflora (Montbretia)


Contributors For This Plant
Jewell (5504)
  TooManyWeeds87 (501)
Frank (2698)


Gardens Containing This Plant
Jewell's Garden
 TooManyWeeds87's Garden
Kay's Garden


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Add Your Opinion About This Plant

Jewell (5504) wrote on Jun 29 2009
Prefers a cool climate. Flower showy throughout the summer. The yellow flower has a dense tuft of yellow stamens. Foliage benefits from cutting to ground to rejuvinate its look. Can freeze to the ground in colder areas, but rebounds/grows back in the spring. Thrives in poor soil and can be used for soil erosion prevention. Mine grows under lilacs for summer interest in the semi-shaded area.

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  TooManyWeeds87 (501) wrote on Mar 30 2010
Rating for this plant:
Creeping St. John's Wort grows throughout my garden. It has pretty yellow flowers, but it is a pain to clear out the dead growth in the spring.

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Images for this Plant


Photo of Hypericum calycinum (St. John's Wort, Aaron's Beard)
Hypericum calycinum (St. John's Wort, Aaron's Beard)
photo / image / picture
Uploaded
Jun 29 2009
by Jewell (5504)
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