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Grevillea robusta * Silky Oak

I am often asked for a plant for quick screens.  While it fulfills this need well Silky Oak has its plusses and minuses.  Grevillea robusta is very quick often reaching 30' or more in under 5 years.  It requires little or no additional water after it is established.  The Grevillea robusta blooms are an interesting highlight in mid to late spring.   The fernlike leaves are grey on the bottom and green above and catch the light nicely in the wind.  Then there are the minuses.  Grevillea robusta drops stuff.  Lots of stuff from branches to buckets of leaves.  Silky Oak should be relegated to an area that accumulated debris is not a problem.  Otherwise you have planted an ongoing future chore.  Grevillea robusta will rapidly shade out the lower branches often exposing that which was intended to be screened.  I use Grevillea robusta often in young landscapes, but with a mind to its demise.  I will plant both a fast growing tree and a slow one planning to take out the rabbit once the tortoise gets established.  During the blooming period I often see orioles and hummingbirds.  This is a great tree for the hummingbird garden.

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Grevillea robusta, Silky Oak

 

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Last modified: Saturday, September 22, 2007