Salix rosmarinifolia L.

RHS Plant Profile

rosemary-leaved willow

Shrubs

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A deciduous shrub, with yellowish-brown young stems, woolly buds and linear green leaves with paler midribs and downy white undersides. Small catkins are produced in late spring

Position

Full sun, Partial shade

Soil Types

Clay, Loam, Sand

Max Height

1.5-2.5 metres

Max Spread

1.5-2.5 metres

Size

Time to Maturity: 10–20 years
Max Spread: 1.5-2.5 metres
Max Height: 1.5-2.5 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: 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, Asia

How to Grow

Cultivation

Tolerant of a range of conditions and soils; good for exposed or coastal positions

Propagation

Propagate from hardwood cuttings

Suggested planting locations and garden types

Cottage and informal garden
Wildlife gardens
Low Maintenance

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