Grevillea robusta - silky oakBack in stock: NOW
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Tall fast-growing ornamental native tree, impressive and unmistakable in full flower when it seems to glow. Elegant slender conical silhouette with sweeping upturned branches and deep green tiny leaves.
Grevillea robusta - silky oakDESCRIPTION: Tall fast-growing ornamental native tree with a slender conical silhouette. Deep golden flowers spring-summer, large deep green ferny leaves all year round.
USE IN: Plant as a tall shade tree or feature tree. Attracts wildlife. Timber useful for fine woodworking; flowers for honey production.
LOCATION: Plant in well drained soil in full sun to part shade. Can be grown as a foliage pot plant when young. Native to QLD and NSW rainforests, but will thrive across much of Australia - street plantings and specimens in the National Arboretum show that it can survive a Canberra winter.
CARE: Maintenance free once established. Mulch and water regularly until the plant is established, usually 12 weeks. Feed with a slow release native fertiliser when buds form - grevilleas can be phosphorus-sensitive so the P ratio of the fertiliser needs to be under 3%. Drought tolerant and frost hardy once it has developed a woody trunk.
HEIGHT: 10-15m in gardens. Can grow to 30m in the rainforest.
YOUR PLANTS: These are tubestock plants, healthy young plants with new roots that will establish quickly in your garden. The pot size is 80 mm x 42 mm wide.
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