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RE: Banksia - an iconic Australian Plant.
Banksias have special roots called proteoid roots which help them to grow in our low nutrient Australian soils. As such they require little fertilising and are particularly sensitive to high levels of phosphorous, especially when they are young. Once or twice a year apply a certified organic fertiliser which is labeled safe for natives or has a phosphorus content less than 2%.
There are more than 170 species of banksias with all but one being endemic to Australia and they range from ground covers to tall trees. Flowers are yellow, orange, pink and red and many have beautiful serrated leaves.
Probably the most common species grown in the home garden are Banksia spinulosa, Banksia speciosa and Banksia ericifolia while the cultivars ‘Giant Candles’ and ‘Birthday Candles’ are also popular with their prolific flowering.
Generally banksias require little pruning. Simply trim off any dead branches which may appear and prune back to restrict the size/shape if needed.
Silly Sausage Award !! Great Pics and information, thanks.