- Red cluster bottlebrush tree
Botanical name: callistemon citrinus
Average Size at Maturity: 3 – 16 ft in height and a 8 ft spread
Hardy zone: zones 8-11
Bloom Time: spring/summer
Flower Color: red/pink/white
Foliage Color: green
Growth Rate: less than a ft a year
Pruning needs: shape as needed, save heavy pruning for the late winter
Landscape Use: ornamental use
Light Needs: at least 6 hours of sun a day
Special Feature: attracts pollinators
Water Needs: water when the top 3 inches of soil are dry
Fertilizing needs: use 6-6-6 once in the spring, once in the summer, and once in the fall
