No wonder it is commonly called the Bottlebrush Plant, if you look it at it, the flowers resemble the bottle brushes we find in our kitchens. The beautiful red blossoms appear throughout summer. The rest of the year, you have the beautiful evergreen leaves. Callistemon citrinus is a small tree. It grows to about 6 or 7 feet high.
Callistemon citrinus is from the Myrtaceae family and is native to Australia. It loves a warm sheltered climate. But you can see it now around the world.
So choose a sunny spot for this tree but protect it from strong winds. Usually you can see this tree planted by a wall which gives it some support from the wind. It has a lemony scent but not too strong. You can propagate this plant from cuttings.
You can plant Callistemon citrinus in pots as well as in the ground and it also looks good on lawns as it has a bright red accent that works well with green. Callistemon citrinus grows well in most soils and is easy to maintain especially when it is established. Though if you are planning to grow them in a pot plant them in rich soil.
Callistemon citrinus does not like hard pruning but regular pruning after flowering keeps it from overgrowing and also helps manage the shape. You see these trees usually pruned round and like a globe.
Also read about Callistemon viminalis