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St John's Wort

Hypericum perforatum. Popularized in medieval legends as an antidote for evil spirits, this European perennial has prolific 1"-wide, stamen-studded, golden-yellow flowers amidst deep emerald leaves on upright, strong, branching stems. Easily grown, St. John's Wort may be started indoors 6 to 8 weeks prior to transplanting outside after the last spring frost date, or it may be direct-sown after the last possible frost date. Once established, it is drought-tolerant and matures into an indestructible butterfly-friendly shrub. Also known as Tiptons Weed, Chase-Devil or Kalmath Weed, its popularity as a medicinal herb skyrocketed in the 1990s when it was said to be a natural remedy for depression. Perennial. Hardiness zones: 4-8. Height: 12" to 36". (OP.)

Special thanks to H. Zell for the use of the first photo. (CC BY 3.0)

Average seed life: 1 year.

One packet of about 4,000 seeds
In stock
Item
#6250
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$4.65
  • Buy 10 for $4.20 each and save 10%
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  • Gardening Tips
    • St John's Wort Sowing Instructions
      Planting Depth      :1/4”-1/2”
      Row Spacing:12”-18”
      Seed Spacing:3”-6”
      Plant Spacing: 12”

      Herbs may be either direct-sown outdoors after the threat of frost has passed, or started indoors for transplanting or container gardening. Herbs require moderately rich, well-draining soil with at least 5 hours of bright sunlight. To start indoors: sow lightly in sterilized seed mix, lightly moisten and cover with plastic wrap until germination takes place. Do not water again until sprouts emerge. Remove plastic wrap once sprouted. Transplant outdoors when the threat of frost has passed. Some perennials like Lavender, Catnip or Savory prefer to be started indoors. Others such as Chives, Sage or Fennel prefer to be direct-sown outside once the soil has warmed. Most herbs dislike chemicals or over-fertilization. Feed lightly with kelp or fish emulsion once seedlings are well established. Keep lightly moist: never wet. Pinch back the plants to avoid flowering and to encourage leaf production.

      Shade Tolerance
  • St John's Wort Sowing Instructions
    Planting Depth    :1/4”-1/2”
    Row Spacing:12”-18”
    Seed Spacing:3”-6”
    Plant Spacing: 12”

    Herbs may be either direct-sown outdoors after the threat of frost has passed, or started indoors for transplanting or container gardening. Herbs require moderately rich, well-draining soil with at least 5 hours of bright sunlight. To start indoors: sow lightly in sterilized seed mix, lightly moisten and cover with plastic wrap until germination takes place. Do not water again until sprouts emerge. Remove plastic wrap once sprouted. Transplant outdoors when the threat of frost has passed. Some perennials like Lavender, Catnip or Savory prefer to be started indoors. Others such as Chives, Sage or Fennel prefer to be direct-sown outside once the soil has warmed. Most herbs dislike chemicals or over-fertilization. Feed lightly with kelp or fish emulsion once seedlings are well established. Keep lightly moist: never wet. Pinch back the plants to avoid flowering and to encourage leaf production.

    Shade Tolerance
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