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 macrophyllum
Very large dark green shiny leaves turn a wonderful bright orange in autumn.
Acer negundo
The green leaves turn a lovely golden yellow in autumn. Resistant to Honey Fungus
Acer maximowiczianum
A small tree with dark green leaves turning red in autumn. Yellow flowers.
Acer erianthum
Interesting tufts of white hairs appear at the axils of the leaves. Flowers are insignificant but followed by pink winged fruits.
Acer cappadocicum ‘Aureum’
A medium sized tree with leaves red when young turning golden yellow for many weeks.
Acer davidii ‘Serpentine’
This attractive and graceful snake bark maple also gives a dazzling display of autumn colour. Purple young shoots
Acer japonicum
A beautiful tree with small red-purple flowers in spring. The green leaves turn a stunning red in the autumn.
Acer grosseri var. hersii
A small tree with marbled bark and bright green leaves turning red in autumn.