Salix alba var. sericea

RHS Plant Profile
silver willow

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silver willow RHS 2002
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Synonyms

Salix alba 'Regalis'
Salix alba 'Sericea'
Salix alba 'Splendens'
Salix alba f. argentea

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A bushy medium-sized deciduous tree with striking, silvery-grey, narrow-lanceolate leaves up to 10cm in length. Insignificant, slender, drooping yellow catkins in spring

Position

Full sun

Soil Types

Clay, Loam, Sand

Max Height

Higher than 12 metres

Max Spread

4-8 metres

Size

Time to Maturity
20–50 years
Max Spread
4-8 metres
Max Height
Higher than 12 metres

Growing Conditions

Clay Loam Sand
Moisture
Moist but well–drained or Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
South–facing or North–facing or West–facing or East–facing
Exposure
Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H6

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Salicaceae
Native to GB/Ireland
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
Europe Africa Asia

How to Grow

Cultivation

Grow in moderately fertile deep soil in full sun. Very fast growing

Propagation

Propagate by softwood cuttings in early summer or hardwood cuttings in winter

Suggested planting locations and garden types

  • Wildlife gardens
  • Coastal
  • Cottage and informal garden
  • Low Maintenance
  • Hedging and screens

Pruning

Pruning group 1. Suitable for hard pruning to rejuvenate or pollarding

Pests

May be susceptible to aphids, caterpillars, leaf beetles, sawflies, willow scale

Diseases

May be susceptible to willow anthracnose, scab, canker, honey fungus and rust