 A longtime presenter of Queensland-specific plants and their gardening techniques, Colin Campbell was a most popular "Gardening Australia" celebrity.Colin typically reported on topics such as growing Anthuriums, heliconias, cordylines, grevilleas, and drought resistant plants, used a friendly and humorous style of presentation.Common questions usually involved worries about 'yellowing leaves' (Nitrogen deficiency) or 'funny white fluffy stuff' (mealybug).