Common Alder. A conical tree with deeply cut, lobed, mid-green leaves. Pendent yellow-brown male catkins open before the leaves. Max Height 25m. Max Spread 10m. Flowers January to March. Full sun. Hardy. Plant in hole large enough to avoid disturbing root ball.
Alnus glutinosa ‘Imperialis’
A conical tree with deeply cut, lobed, mid-green leaves. Pendent yellow-brown male catkins open before the leaves.
Additional information
| Generic | Alnus |
|---|---|
| Species | glutinosa |
| Varietry | 'Imperialis' |
| Common Name | Common Alder |
| Flower Colour | yellow |
| Soil | Fertile |
| Aspect | Full sun |
| Foliage | Deciduous |
| Height | 25m |
| Family | Betulaceae |
| Spread | 10m |
| Growth Speed | |
| Growth Habit | Conical |
| Fragrance | FALSE |
| Foliage Colour | green |
| Flowers From | January, March |
| Colour Fruit | |
| Fruits When | |
| Moisture | Moist, Well drained |
| Protection | |
| Hardiness | Hardy |
| Planting | Plant in hole large enough to avoid disturbing root ball |
| Care | Keep moist in first year |
| Border | Barrier and screening |
| Toxicity | |
| Pruning | |
| Pruning Time | |
| Pests and diseases | |
| Maintenance | |
| Propagation |
Related products
Acer campestre
A British native, medium sized tree with green leaves that turns yellow in autumn.
Acer cappadocicum ‘Aureum’
A medium sized tree with leaves red when young turning golden yellow for many weeks.
Acer campestre ‘Royal Ruby’
An attractive tree with lovely red foliage. Good autumn colour
Acer erianthum
Interesting tufts of white hairs appear at the axils of the leaves. Flowers are insignificant but followed by pink winged fruits.
Acer negundo
The green leaves turn a lovely golden yellow in autumn. Resistant to Honey Fungus
Acer davidii ‘Serpentine’
This attractive and graceful snake bark maple also gives a dazzling display of autumn colour. Purple young shoots
Acer negundo ‘Aureovariegatum’
Yellow and green variegated young shoots turning green and silvery-white later. Resistant to honey fungus.
Acer buergerianum
A spreading deciduous tree with dark green leaves, racemes of pale yellow flowers. Good autumn colour.