The branches look a bit untidy at the moment. Callistemon flower on the tips of the shoots that grew last year. For many years I kept it well trimmed but, of course, was cutting off all the potential flowers every time I pinched the shoots. With advice from Derek, a master with Aussie plants as bonsai, I learned to allow the shoots to grow and mature so it can produce flowers. After flowering it is pruned quite hard then new shoots are again allowed to grow and mature for the following year’s flowers.
You will note that the flowers on this species are rather less impressive than many we see in gardens but I think the pale pink blush is nice on this bonsai. Flowers are also smaller than many which fits in well for a bonsai sized tree.