Populus x canadensis 'Koster' When young, 'Koster' has a dense pyramidal crown with a straight trunk and relatively thin branches. At a later stage the crown becomes broader. The fairly small leaves emerge late, not until the end of April, and are light green in colour. Later in the season they become darker. 'Koster' bears flowers in the form of male catkins. The tree is little sensitive to canker and rust and is fairly resistant to leaf spot disease. It shows good wind resistance. Suitable for planting in coastal regions. Winter hardiness zone: 4
usually not toxic to people, (large) pets and livestock
Soil type
clayed soil, loamy soil, sandy soil
Soil moisture
withstand short flood, withstand long flood
Paving
tolerates paving
Winter hardiness zone
4 (-34,4 to -28,9 °C)
Wind resistance
good
Other resistances
resistant to frost (WH 1 - 6), can withstand wind
Application
avenues and broad streets, coastal areas
Shape
clearstem tree, feathered tree
Clear stem treefeathered treeclay soilloamy soilsandy soiltolerates pavinglight-lovingresistant to frost (WH 1 - 6)withstand long floodwithstand short floodcan withstand windbroad conical1st size , taller than 12 metreshalf-open crowngreenorange/redearly sproutfast growingnon-toxic (usually)Fruitless cultivar
Frequently asked questions
Populus ×canadensis 'Koster'
Populus ×canadensis 'Koster' can eventually reach a height of 20-25 m, fast growing, depending on the site and climate conditions.
Populus ×canadensis 'Koster' is fast growing and can eventually reach a height of 20-25 m, fast growing, depending on the site and climate conditions.
The right time to plant Populus ×canadensis 'Koster' is during the dormancy period. In Western Europe, Populus ×canadensis 'Koster' 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.