St. John's Wort (Hypericum Perforatum)

St John's Wort plant is a short, woody shrub that grows about 24 inches tall and has fragrant yellow flowers from mid to late summer. Hypericum St John's Wort was apparently named after John the Baptist, and historically has been used to ward off evil spirits and witches.

As an herb plant, the oil in the leaves has been used topically for wounds, sunburns, and general aches and pains. St John's Wort herb has also been used to treat mild depression and insomnia with some success. St. John's Wort ground cover is often used to cover areas along sidewalks and driveways.

Flower Specifications

Season: Perennial
USDA Zones: 4 - 8
Height: 24 inches
Bloom Season: Summer
Bloom Color: Yellow
Environment: Full sun to partial shade
Soil Type: Well-drained, pH 5.8 - 7.2
Deer Resistant: Yes
Latin Name: Hypericum Perforatum

Planting Directions

Temperature: 60F
Average Germ Time: 10 - 20 days
Light Required: Yes
Depth: Do not cover the seed but press it into the soil
Sowing Rate: 3 - 4 seeds per plant
Moisture: Keep seeds moist until germination
Plant Spacing: 18 - 24 inches