'Semperflorens' is a strong-growing tree growing 6 - 10 m tall. The crown is oval to narrow fan-shaped and semi-open. The bark is grey and later loosens in thin sheets. Salix triandra is easily recognised by its orange lower bark. The twigs are shiny green-brown and bare. When damaged, they smell slightly like almonds. This has earned the tree the Dutch name Amandel willow. The leaves are lanceolate, 5-12 cm long and 1-3 cm wide, and have a rounded leaf base. They are a glossy dark green and are glabrous on both sides.
'Semperflorens' is a male cultivar and the flower catkins are 4-8 cm long and pale yellow in colour. The insignificant individual flowers always possess three stamens (triandra means with three stamens). The first flower catkins appear just before the leaves emerge and the tree then flowers throughout the summer.
Salix triandra occurs naturally along river banks and in pilot whales, including in the Netherlands. The species prefers nutrient-rich soil and can grow on very wet soils. This is therefore also the case with 'Semperflorens', which is suitable for bank planting and in wadis. Hardiness zone 4.
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catkins, pale yellow, flowers from April to September
Spines/thorns
None
Toxicity
usually not toxic to people, (large) pets and livestock
Soil type
clayed soil, loamy soil, sandy soil
Soil moisture
suitable for wet soil, withstand short flood, withstand long flood
Paving
tolerates no paving
Winter hardiness zone
4 (-34,4 to -28,9 °C)
Wind resistance
good
Other resistances
resistant to frost (WH 1 - 6), can withstand wind
Fauna tree
valuable for bees (honey plant), valuable for butterflies
Shape
multi-stem treem
Multi-stem treeclay soilloamy soilnutrient-poor soilpeaty soilsandy soiltolerates no pavingresistant to frost (WH 1 - 6)suitable for wet soilwithstand long floodwithstand short floodcan withstand windovalvase-shaped3rd size, smaller than 6 metreshalf-open crowngreenyellowAprilAugustJulyJuneMaySeptemberaverage growingConspicuous bloomvaluable for bees (honey plant)valuable for butterfliesnon-toxic (usually)
Salix triandra 'Semperflorens' can eventually reach a height of 3-6 m, fast growing, depending on the site and climate conditions.
Salix triandra 'Semperflorens' is average growing and can eventually reach a height of 3-6 m, fast growing, depending on the site and climate conditions.
The right time to plant Salix triandra 'Semperflorens' is during the dormancy period. In Western Europe, Salix triandra 'Semperflorens' with root balls can generally be planted from mid-November to late April, although this depends strongly on the climatic conditions and the species of tree.
Salix triandra 'Semperflorens' blooms in april, may, june, july, august, september.