Trees by Genus

Genus 'Populus'

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Populus alba
Populus balsamifera
Populus x canadensis
Populus x canadensis 'Regenerata'
Populus x canadensis 'Robusta'
Populus canescens
Populus deltoides
Populus grandidentata
Populus lasiocarpa
Populus nigra
Populus nigra 'Italica'
Populus nigra var. betulifolia
Populus tremula
Populus tremuloides
Populus trichocarpa

Populus tremula (Aspen)

Populus tremula

Also known as: European Aspen

Native: Europe including Britain, north Africa, Asia

Location: Commonly forms thickets in the wild as it suckers easily.


Leaves are almost round with wavy edges but on suckers may be wedge-shaped. They have stems flattened which causes them to quiver in the wind. They have pairs of glands where the blade meets the stem and turn clear yellow in autumn.


Populus tremula

Flowers open in February, male catkins pinkish with grey silky hairs about 5-10cm long, females also grey and silky.


Populus tremula

Fruiting catkins are about 10-12.5cm long and shed white woolly seeds in May.