Orange-fruited Horse Gentain, Horse Ginseng, Wild Coffee
Triosteumaurantiacum

Family: Caprifoliaceae (cap-ree-foh-lee-AY-see-ee)
Genus: Triosteum (try-oh-SEE-um)
Species: aurantiacum (aw-ran-ti-AYE-kum)

Category
Perennials

Water Requirements
Drought-tolerant; suitable for xeriscaping

Sun Exposure
Sun to Partial Shade

Foliage
Herbaceous

Foliage Color

Height
36-48 in. (90-120 cm)

Spacing
9-12 in. (22-30 cm)

Hardiness
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)

Where to Grow

Danger
N/A

Bloom Color
Red

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

Bloom Size

Bloom Time
Late Spring/Early Summer

Other details

Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information

Propagation Methods
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors

Seed Collecting
Seed does not store well; sow as soon as possible