Grevillea robusta seed
A tall straight tree growing to some 90 feet in the wild, but usually less (50-60 feet) in cultivation, the silky oak is a pyramidical tree with fern-like pinnate leaves golen to deep green above and silvery below and producing a profuse display of the highly distinctive and attractive golden to orange toothbrush type flowers up to 6 inches long in the Spring. This species is an excellent specimen tree for large gardens or parks. It makes a fine indoor plant while young. This species is fast-growing but can be brittle and damaged in high wind and may need staking and pruning to shape while young. This species is widely used as stock plant for grafting the more difficult species and for production of weeping standards.
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