- Red cluster bottlebrush shrub
Botanical name: Callistemon citrinus
Average Size at Maturity: 5 to 10 ft in height and an 8 ft spread
Hardy zone: Zones 9-11
Bloom Time: spring, summer
Flower Color: red
Foliage Color: green
Growth Rate: about a ft a year
Pruning needs: Can handle light pruning to maintain shape and size any time of the year. Heavy pruning should only be done in the late winter/early spring
Landscape Use: makes a great hedge
Light Needs: full sun, 6 – 8 hours of sun a day
Special Feature: tropical look with minimal maintenance
Water Needs: water thoroughly once a week in the spring and summer, allow soil to dry before watering again
Fertilizing needs: Use a high in phosphorus fertilizer once a month during growing season
