Salix irrorata (Blue-Stem Willow, Sandbar Willow)


Botanical Information

FamilySalicaceae
GenusSalix
Speciesirrorata
CategoryWoody
TypeShrub (deciduous)
OriginGenus name from the classical Latin name for Willow, also from the Celtic word 'sal' which means near and 'lis', meaning water. Native to southwestern United States of America including western Texas, Arizona and Colorado.

Details

USDA Hardiness Zone7b - 8a
USDA Hardiness Ref.
Canadian Hardiness Zone7
Canada Hardiness Ref.
RHS Hardiness ZoneH5
RHS Hardiness Ref.
Temperature (°C)-15 - (-9)
Temperature (°F)5 - 15
HeightUp to 3 m
GrowthFast
Flowering PeriodApril

Description and Growing Information

General DescriptionSalix irrorata is a large, upright, dense ornamental shrub with long, glossy green foliage.
ID CharacteristicStems turn a striking lavender colour in autumn and winter.
CultivationGrow in full sun to part shade.
Notable SpecimensRHS Garden Rosemoor, North Devon, England.
HabitatHorticultural origin.
Bark/Stem DescriptionSmooth, purple-yellow, waxy.
Leaf DescriptionOblong-lanceolate, 5 - 10 cm long, young leaves are russet coloured maturing to a glossy green above and grey-green below.
Flower DescriptionFlowers in catkins (flowering spikes) which are short and dense, 2 - 3 cm long, all of one sex, wind-pollinated.

Photographs