Horse Gentain

Triosteumhimalayanum

Family
Caprifoliaceae (cap-ree-foh-lee-AY-see-ee)
Genus
Triosteum (try-oh-SEE-um)
Species
himalayanum (him-uh-LAY-an-um)
Synonym
Triosteum erythrocarpum
Triosteum fargesii
Sun Exposure
Sun to Partial Shade
Foliage
Herbaceous
Height
36-48 in. (90-120 cm)
Spacing
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
Danger
N/A
Bloom Color
Red
Bloom Time
Late Spring/Early Summer
Other Details
Category
Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
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
Regional

This plant is said to grow outdoors in the following regions:

Palmer, Alaska

Glenwood, Minnesota

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Gardener's Notes:

0
positive
0
neutral
0
negative
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