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Common St. John's-wort (seeds)

Hypericum perforatumL.

Graine de vie
Ref.: 01-34-02

Approximatively   seeds

Weight/Price Stock
For 1 g : 3.5 € 11
For 5 g : 14 € 0
For 10 g : 25 € 0
For 20 g : 42 € 0



Family : Hypericaceae

Latin name : Hypericum perforatum L

Common name : Common St. John's-wort

For more information, please see the Technical Information

    Botany

  • Family : Hypericaceae
  • Genus : Hypericum
  • Specy : perforatum
  • Author name : L.

  • Details

  • Type of plant : perennial
  • Height in flowers : from 20 to 50 cm, from 50 to 100 cm
  • Hardiness (USDA zones) : 4a (from -34,4°C to -31,7°C), 4b (from -31,7°C to -28,9°C), 5a (from -28,9°C to -26,1°C), 5b (from -26,1°C to -23,3°C), 6a (from -23,3°C to -20,6°C), 6b (from -20,6°C to -17,8°C), 7a (from -17,8°C to -15°C), 7b (from -15°C to -12,2°C), 8a (from -12,2°C to -9,4°C), 8b (from -9,4°C to -6,7°C)
  • Environment : moist, drained, dry
  • Sun exposure : partial shade, full sun
  • Bloom color : yellow
  • Bloom time : june, july, august, september
  • Difficulty : easy
  • Number of seeds per gram : 10000
  • Grams per 1000 seeds : 0.1
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