Hypericum Species, Atlantic St. Johnswort, St. John's Wort, St. Johnswort
Hypericumtenuifolium

Family: Hypericaceae (hy-PER-ee-KAY-see-ee)
Genus: Hypericum (hy-PER-ee-kum)
Species: tenuifolium (ten-yoo-ih-FOH-lee-um)

Synonym:Hypericum fasciculatum var. laxifolium

Synonym:Hypericum reductum

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
Full Sun
Sun to Partial Shade

Foliage
Evergreen
Herbaceous

Foliage Color

Height
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)

Spacing

Hardiness
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
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)

Where to Grow

Danger

Bloom Color
Bright Yellow

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

Bloom Size

Bloom Time
Mid Spring
Late Spring/Early Summer
Mid Summer
Blooms repeatedly

Other details

Soil pH requirements

Patent Information
Non-patented

Propagation Methods

Seed Collecting