Is Grevillea robusta native to Australia?
G. robusta is native to northern New South Wales and southern Queensland, Australia, where it occurs from the east coast to as far west as the Bunya Mountains, Queensland, some 160 km inland.
Is Grevillea robusta native to Victoria?
Naturalised beyond its native range on the northern tablelands of New South Wales and sparingly naturalised in northern Victoria. It is also known to be naturalised in the coastal districts of central New South Wales, though this is not backed up by herbarium specimens.
How fast does Grevillea robusta grow?
Grevillea robusta is therefore not a high priority plantation timber species. When it is planted singly or in lines, annual growth rates of 2 m (height) and 2 cm (diameter) over the first 5 years are commonly achieved in a number of countries where climate and soils are suitable.
Are Grevillea robusta roots invasive?
They’re also considered an invasive or invader plant in Hawaii and South Africa. However Grevillea robusta is declining in its natural rainforest/wet forest habitat. In some cities in China, silky oaks have been planted along roadsides with great success.
Which Grevilleas grow in part shade?
There aren’t that many Grevilleas that grow well in shade, let alone also flower in positions with limited sun. Grevillea oleoides is one of them, along with Grevillea sericea, sherissii and rhyolitica then you have a small group of faithfully.
Where do I plant Grevillea robusta?
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.
Can you keep Grevillea robusta small?
The larger grevilleas, like Grevillea ‘Honey Gem’ can grow into small trees and eventually benefit from renovation pruning. Once they become leggy, a really hard prune with a garden saw will bring the new flowers back down to eye level.