Botanical Name: Alnus glutinosa
Common Name: Black alder Type of Plant: dicot: tree Character deciduous Habit of Growth: Overall Shape upright, oval to rounded tree - often multi-trunked, with branch from ground up Height to 70' Spread 40'-60' Growth Rate moderate Environment: Exposure outdoors full sun Soil any soil Hardiness hardy (zones 1-10, 14-24): performs well outside desert Morphology: Leaves alternate, oval, 2"-4" long, coarsely serrate, not as deeply veined as A. rhombifolia, dark gray-green, somewhat lustrous Flowers early spring, catkins (male drooping, female upright and conelike) Fruit woody cone Propagation: seed Usage: screen, quick effects, shade tree, multi-trunked accent tree, also good in lawns, groves and temperate climate landscapes Landscape Care: Watering prefers deep watering - tolerates lawn watering Fertilizing none Pruning shape as desired - can be left alone Pests/Diseases aphids, sooty mold Special Conditions/Other Origin: Southern Europe Family: Betulaceae Notes: |
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