Botanical Name: Acacia cultriformis
Common Name: Knife Acacia Type of Plant: dicot: tree/shrub Character evergreen Habit of Growth: Overall Shape an irregular, multi-trunk, erect to somewhat sprawling plant, with ascending and spreading branches forming a loose open canopy Height 8' - 20' Spread 2/3 to equal Growth Rate moderate Environment: Exposure outdoors full or partial sun Soil well-draining soils Hardiness some frost (zones 13-24); prefers warm sunny locations Morphology: Leaves modified petioles (phyllodes); resemble pinnate leaves; alternate to whorled, nearly triangular, 1/2" - 1" long, 1/2" wide; mucronate, gray, leathery Flowers small round heads of tiny yellow flowers, in axillary racemes; many stamens; early spring Fruit a pod; 1 1/2" - 3" long, flat, deep brown Propagation: seed Usage: an interesting small accent tree, valued for its open form, distinctive foliage, and yellow flower display; background loose hedge or screen, slopes; patio tree, small silhouette Landscape Care: Watering an occasional soaking; becomes fairly drought tolerant after established; avoid lawn watering Fertilizing little needed except where overwatered; becomes chlorotic in wet soils Pruning as a tree, develop primary scaffold framework; thin out occasionally to maintain a loose open form Pests/Diseases relatively free Special Conditions/Other Origin: Australia Family: Fabaceae Notes: |
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