Salix alba var. caerulea

RHS Plant Profile
cricket-bat willow

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Other common names

Leicester willow

Synonyms

Salix 'Caerulea'
Salix × caerulea
Salix alba subsp. caerulea

Plants for pollinators
Trees
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A large deciduous tree, with dark grey furrowed bark, upright branches and narrow, blue-green leaves. Slender catkins are produced alongside the new leaves in spring. Wood from this tree was traditionally used to make cricket bats

Position

Full sun, Partial shade

Soil Types

Clay, Loam, Sand

Max Height

Higher than 12 metres

Max Spread

wider than 8 metres

Size

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

Growing Conditions

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

Position

Full sun Partial shade
Aspect
East–facing or South–facing or West–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
Spreading branched
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

How to Grow

Cultivation

Thrives in deep, moisture retentive soil, ideally in full sun. Will tolerate some waterlogging, but dislikes shallow chalk

Propagation

Propagate from hardwood cuttings

Suggested planting locations and garden types

  • Architectural
  • Coastal
  • Cottage and informal garden
  • Wildlife gardens

Pruning

Pruning group 1

Pests

May be susceptible to aphids, caterpillars, gall mites, flea beetles, sawfly larvae, and willow scale

Diseases

May be susceptible to willow anthracnose, watermark disease, willow heart rot, rust diseases, crown gall, honey fungus, root rot, silver leaf, and tar spot