Alnus ×spaethii 'Spaeth' can eventually reach a height of 15 - 20 m, fast growing, depending on the site and climate conditions.
Alnus ×spaethii 'Spaeth' is fast growing and can eventually reach a height of 15 - 20 m, fast growing, depending on the site and climate conditions.
The right time to plant Alnus ×spaethii 'Spaeth' is during the dormancy period. In Western Europe, Alnus ×spaethii 'Spaeth' 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.