Deciduous trees
Common ash
Fraxinus excelsior
Appearance: a large tree with a rounded crown, height 20-40 m, width 10-25 m, fast-growing, 60-80 cm per year.
Flowers: inconspicuous.
Fruits: brown, winged, remain on the tree until the following spring.
Leaves: emerge late, pinnate with five leaflets, green, usually lack autumn coloration, sometimes yellow, and fall after the first night frosts.
Root system: deep, wide, sensitive to soil compaction.
Requirements: sun/partial shade, winter-hardy, tolerant of urban environments.
Soils: relatively dry or fresh, does not tolerate excess moisture, prefers fertile, alkaline substrates.
Zone: 4