Details of...
Scientific Name: Salix glauca
Pronunciation: SAY-licks GLAW-kuh
Common Name: grey-leaf willow
Family Name: Salicaceae
Plant Type: Tree - deciduous, Shrub - deciduous
Key ID Features: Leaves mostly narrowly elliptic to oblanceolate or obovate, 3-8 cm × 1-4 cm wide, margins entire or serrulate; male catkins 14-53 × 5-17 mm, female catkins 15-83 × 7-21 mm (source:
Course(s): not used (on campus)

Habit: Dense, Spreading, Upright
Form: Round
Texture: Medium
Mature Size:
Height:3 - 5m
Spread:4 - 5m
Growth Rate:Fast
Origin: Europe, North America
Hardiness Rating: Zone 4: (-34 to -29 C)
Exposure: Full sun, Part sun/part shade
Soil/ Growing Medium: Bog
Water Use: High, Wetlands
Landscape Uses: Cut flower or foliage, Erosion control, Reclamation, Spring interest, Wetland - bogs, Woodland margin
Additional Info: Google. Compare to S. hookeriana.
grey-leaf willow
Leaf Morphology: Glossary
Form: Simple
Arrangement: Alternate
Texture/ Venation: Soft flexible
Surfaces: Glabrous, Tomentose
Colour in Fall: Green-yellow
Leaf(let) Terms:
Shapes: Elliptic, Obovate
Apices: Acuminate, Acute, Rounded
Bases: Cuneate, Rounded
Margins: Ciliate, Entire

Inflorescence Type: Floriferous, Catkin (ament)
Flower Morphology:Dioecious plant
Number of Petals:0
Colour (petals): Green-yellow
Flower Scent: None
Flower Time at Peak: Mar, Apr

Fruit Type: Capsule
Fruit Colour: Brown
Fruiting Time:
Additional Info: Not showy
Bark Morphology: Smooth, Multi-stem trunk
Bark or Stem Colour: Grey
Leaf Bud Type: Oblong, One-scaled, Ovoid
Leaf Scar Shape:Crescent shaped
Organ Modifications: Ectomycorrhizae, Stipule, leafy

Propagation: Layering, Seed, Cuttings
Pest Susceptibility: Aphids or adelgids, ( Pest resistant, Disease resistant )
(BCE) Boulevard (Circular) Eastend : confirm ID - male catkin quite large
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