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Hypericum perforatum (St. John's Wort, Klamath Weed)

Type: Species | Edit History      Plant ID - 21454



Image added by
Netty (12932)

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Scientific Classification
Kingdom: Plantae
Division: Magnoliophyta
Class: Magnoliopsida
Order: Theales
Family: Clusiaceae
Genus: Hypericum
Species: Hypericum perforatum
 
Common Names add
Plant Types edit
  • Herb
  • Medicinal
  • Perennial
Zones / Hardiness edit
  • 3a (to -35 F / -37 C)
  • 3b (to -30 F / -34 C)
  • 4a (to -25 F / -32 C)
  • 4b (to -20 F / -29 C)
  • 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)
  • 10a (to 35 F / 2 C)
  • 10b (to 40 F / 4 C)
Height (Maximum) edit
  • 1 to 1 1/2 feet (30 to 45 cm)
Spread (Maximum) edit
  • 1 1/2 to 2 feet (45 to 60 cm)
Flowering Start edit
  • June
Flowering End edit
  • September
Leaf Colour edit
  • Green - Medium
Leaf Shape edit
  • Elliptic
  • Ovate
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Suitable For edit
  • Wildflower Garden
  • Wildlife Garden
Sun Exposure edit
  • Full Sun
  • Partial Shade
Soil Types edit
  • Well-drained
Soil pH edit
Bloom Colour edit
  • Yellow/Gold
Wildlife Value edit
Propagation Techniques edit
  • Seed
  • Division
  • Stem Cutting
Skill Level edit
Additional Short Notes add
  • Old remedy for insomnia and depression. edit | delete
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  Silene vulgaris  (Bladder Campion)
  Petroselinum crispum  (Parsley)
  Hemerocallis 'Happy Returns' (Daylily)
  Achillea millefolium  (Yarrow, Milfoil, Nosebleed Plant)


Contributors For This Plant
Netty (12932)
toni (29963)
Frank (2674)
petunia (333)


Gardens Containing This Plant
 udoit2urself's Garden
FlowerFreak22's Garden
kensclark15's Garden
toni's Garden


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Images for this Plant


Photo of Hypericum perforatum   (St. John's Wort, Klamath Weed)
Hypericum perforatum (St. John's Wort, Klamath Weed)
photo / image / picture
Uploaded
Nov 11 2008
by Netty (12932)
I like this image
2 people like this image
This image is copyright of member Netty (12932).
You must contact this member if you have a usage request.




Photo of Hypericum perforatum   (St. John's Wort, Klamath Weed)
Hypericum perforatum (St. John's Wort, Klamath Weed)
photo / image / picture
Uploaded
Jul 18 2008
by petunia (333)
I like this image
2 people like this image
This image is copyright of member petunia (333).
You must contact this member if you have a usage request.










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