Hypericum Species, St. Peter's Wort, Four Petal St. John's Wort
Hypericumtetrapetalum

Family: Hypericaceae (hy-PER-ee-KAY-see-ee)
Genus: Hypericum (hy-PER-ee-kum)
Species: tetrapetalum (tet-ra-PET-al-lum)

Synonym:Ascyrum amplexicaule

Synonym:Ascyrum cubense

Synonym:Ascyrum tetrapetalum

Category
Perennials

Water Requirements
Average Water Needs; Water regularly; do not overwater
Requires consistently moist soil; do not let dry out between waterings

Sun Exposure
Sun to Partial Shade

Foliage
Evergreen
Herbaceous
Smooth

Foliage Color

Height
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

Spacing
6-9 in. (15-22 cm)

Hardiness
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)

Where to Grow

Danger

Bloom Color
Bright Yellow

Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds

Bloom Size

Bloom Time
Blooms all year

Other details

Soil pH requirements
4.5 or below (very acidic)
4.6 to 5.0 (highly acidic)
5.1 to 5.5 (strongly acidic)

Patent Information

Propagation Methods

Seed Collecting