Botanical Name: Callistemon rigidus
Common Name: Stiff bottlebrush Type of Plant: dicot: tree Habit of Growth: Overall Shape Upright, irregular to oval-shaped small tree with somewhat sparse branching and less graceful than other Callistemon species Height to 20' Spread 10 to 15' Growth Rate moderate Environment: Exposure outdoors full sun preferred Soil tolerates most any soil; suffers from chlorosis in heavy soil Hardiness hardy (Zones 8, 9, 12-24) Morphology: Leaves stiff, narrowly elliptical, grayish green to 1-1/2" long, 1/8" across; young foliage coated with a downy pubescence Flowers terminal spikes of many-stamened, crimson red flowers; stamens to 1" long, spikes to 6" long; flowers most heavily spring and summer Fruit small woody capsule which is persistent for several years Propagation: seed, semi-hardwood cuttings Usage: a graceful, small-sized accent tree for its flower display and loose form; suitable as espalier or informal large hedge; excellent for sub-tropical, informal landscapes; Spanish-style architecture, or use with native plants in water-conserving landscapes Landscape Care: Watering moderate watering preferred; can tolerate drought once established; good drainage is essential Fertilizing treat for iron chlorosis in heavy soils Pruning thin and head up selectively; light pruning only Pests/Diseases relatively pest free Special Conditions/Other heavy pruning will result in dieback – don’t over-prune Origin: Australia Family: Myrtaceae Notes: |
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