Common alder
Alnus glutinosa
In Dutch: Zwarte els
TreesCollection: Native species
Size and growth
- Mature height
- 15 m
- Mature spread
- 8 m
- Height as sold
- about 100–150 cm
- Full grown after
- 15–25 years
Position and care
- Position
- sun / partial shade
- Water needs
- high
- Evergreen
- no, loses its leaves
- Flower colour
- yellow
- Climbs
- no
- Winter-hardy
- yes
- Bees & butterflies
- no
- Hay fever
- strongly allergenic, January to March
- Poisonous
- no, as far as known
- Pricks or stings
- no
- Maintenance
- low
Through the year
- Leaf
- April to November
- Flower
- January to March
- Fruit
- September to November