Salix discolor
American glaucous willow
A large, vigorous deciduous shrub, to around 5m high, with downy, red-brown new shoots and scaly grey mature bark. Leaves are elliptic, toothed, dark green and often glossy on top with greyish felting underneath. Catkins appear before the leaves in spring; male catkins begin white and silky and turn yellow when ripe, while female catkins are green
Size
Ultimate height
4–8 metresTime to ultimate height
5–10 yearsUltimate spread
2.5–4 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | White Yellow Green | Green | ||
|---|---|---|---|---|
| Summer | Green | |||
| Autumn | Green Yellow | |||
| Winter |
Position
- Full sun
Aspect
East–facing or South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H7Botanical details
- Family
- Salicaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Bushy
- Genus
Salix are deciduous shrubs and trees of diverse habit, with simple leaves and tiny flowers in catkins, male and female usually on separate plants. Some are valued for their brightly coloured winter shoots, others for their foliage or showy male catkins
- Name status
Correct
- Plant range
- N America
How to grow
Cultivation
Grow in any deep, moist but well-drained soil in full sun. Avoid shallow chalk soil
Propagation
Propagate by softwood cuttings in early summer or hardwood cuttings in winter
Suggested planting locations and garden types
- Coastal
- Cottage and informal garden
- Cut flowers
- Flower borders and beds
Pruning
Pruning group 7, every two or three years in March, for best show of catkins
Pests
May be susceptible to aphids, caterpillars, willow leaf beetle, sawflies and willow scale insects
Diseases
May be susceptible to willow anthracnose, honey fungus and rust diseases
Get involved
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