Scientific Name:
Stachys byzantina
Pronunciation:
STAH-kees biz-un-TYE-nuh
Common Name:
woolly betony, lamb's ears
Family Name:
Lamiaceae
Plant Type:
Herbaceous perennial
Key ID Features:
Leaves opposite, lanceolate to oblong, most blades 5-15cm long x 2-6cm wide, green, pubescence silvery-white, dense, furry and very soft to touch, margin crenate and wavy.
Habit:
Spreading
Form:
Mounded
Texture:
Coarse
Mature Height:
0.2 - 0.4m
Mature Spread:
0.6 - 1.0m
Growth Rate:
Fast
Origin:
Central / west Asia
Hardiness Rating:
Zone 3: (-40 to -34 °C)
Exposure:
Full sun
Soil/Growing Medium:
Rocky or gravelly or dry, Well-drained
Water Use:
Low, Winter dry, Summer dry
Landscape Uses:
Attract butterflies, Container planting, Ground cover, Perennial border, Rock garden, Summer interest
Additional Info:
Google. Cultivars shown or on campus may include S. 'Big Ears' (syn. S. ‘Helen von Stein’). Compare to S. ‘Silver Carpet’ and S. ‘Primrose Heron’.
Leaf Morphology:
Form:
Simple
Arrangement:
Opposite
Texture/Venation:
Soft flexible, Heavily veined
Surfaces:
Tomentose
Colour in Summer:
Silver / Grayish
Colour in Fall:
Silver / Grayish
Shapes:
Elliptic, Oblong, Spatulate
Apices:
Acute
Margins:
Ciliate, Crenate, Undulate (wavy)
Inflorescence Type:
Verticillaster
Flower Morphology:
Flowers perfect
Number Of Petals:
5
Corolla Shape:
Bilabiate
Ovary Position:
Superior
Colour (petals):
Showy, Purple, Pink
Flower Scent:
None
Flower Time at Peak:
Jul, Aug
Fruit Type:
Schizocarp
Fruit Colour:
Brown
Fruiting Time:
Sep, Oct
Additional Info:
Fruit insignificant, Ovary separates into four tiny mericarps or "nutlets" that are enclosed in a persistent calyx
Bark or Stem Colour:
Grey, Green
Propagation:
Seed, Division - above ground parts, Division - below ground parts
Maintenance:
Low
Pest Susceptibility:
Rust, Slugs or snails (Pest resistant, Disease resistant, Deer resistant, Rabbit resistant, Drought tolerant)
Course(s):
- CLT Training
- HORT 1155
Location(s):
- (AGB) Acer Griseum Bed
- (BCE) Boulevard (Circular) Eastend
- (GAZ) GAZebo
- (GAZS) GAZebo South
- (GRB) GRass Bed : east and west