Salix udensis 'Sekka' (m)

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willow 'Sekka'

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willow 'Sekka' RHS / Joanna Kossak

Synonyms

Salix 'Setsuka'
Salix sachalinensis 'Sekka'

Plants for pollinators
Shrubs
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A vigorous, spreading shrub ultimately forming a very large, dense thicket up to 5m high and 10m across. Many of the stems are curiously flattened and twisted, but still produce small,lance-shaped, bright green leaves and showy, silvery catkins with golden-yellow anthers in early spring

Position

Full sun

Soil Types

Clay, Loam, Sand

Max Height

4-8 metres

Max Spread

wider than 8 metres

Size

Time to Maturity
10–20 years
Max Spread
wider than 8 metres
Max Height
4-8 metres

Growing Conditions

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

Position

Full sun
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
Accepted

How to Grow

Cultivation

Grow in any deep, moist, well-drained soil in full sun. Dislikes shallow chalk soils

Propagation

Propagate by softwood or hardwood cuttings

Suggested planting locations and garden types

  • Architectural
  • Cottage and informal garden
  • Wildlife gardens
  • Low Maintenance
  • Cut flowers

Pruning

Pruning group 1

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