Scientific Name: Stachys officinalis 'Hummelo' ( syn. Betonica )
Common Name: alpine betony
Family Name: Lamiaceae
Origin: Africa, Central / west Asia, Europe
Hardiness Zone: Zone 4: (-34 to -29 °C)
Plant Type: Herbaceous perennial
Mature Size: 0.4 - 0.7m x 0.3 - 0.6m (height x width)
Habit: Spreading
Form: Mounded
Texture: Medium
Landscape Uses: Accent plant, Group or mass planting, Perennial border, Summer interest
Exposure: Full sun, Part sun/part shade
Soil or Media: Well-drained
Leaves: Simple, Opposite, Basal, Soft flexible, Heavily veined, Pinnate venation, Pubescent, Oblong, Ovate, Ciliate, Crenate
Flowers: Verticillaster, Violet, Pink, Jun-Jul-Aug
Fruit: Schizocarp, Brown, Sep-Oct
Key ID Features:
Leaves mostly basal (opposite on the flowering stem), most blades ovate, margins scalloped, puckered and very veiny on the lower surface, most 4-18cm long x 2-12cm wide; florets purple, about 2cm wide, in whorls above foliage on a green peduncle in summer.