Callistemon citrinus
Lemon Bottlebrush
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Lemon Bottlebrush (Callistemon citrinus) - Description
C. citrinus is a massive shrub that grows to heights of 10 to 15 feet tall and wide. It bears narrow 3 inch long leaves that are coppery when new, but maturing to vivid green.
Lemon Bottlebrush (Callistemon citrinus) - Blooming
The common name, Bottlebrush, is derived from the inflorescences of flowers on these plants. The densely packed spikes of flowers are arranged along the stem consisting mostly with long, bristle like stamens that give it the look of a bottle brush.
Lemon Bottlebrush (Callistemon citrinus) - Growth
Bottlebrushes are fast growing shrubs and trees. Some plants have pliable branches, which make them a good candidate for an informal hedge. Most bottlebrushes will be severely damaged if temperatures dip below 20°F/-7°C. Grow Callistemon in a shrub border or at the base of a house wall. In areas where Callistemon does not grow hardy, raise plants in a cool greenhouse with a minimum temperature of 35°F (2°C). During the day, set temperatures between 41-50°F (5-10°C), and at night, keep the temperature at 36°F (2°C).
Lemon Bottlebrush (Callistemon citrinus) - Planting
Can be propagated via rooted cuttings from the stem or from seed.
Lemon Bottlebrush (Callistemon citrinus) - Pest
Spider mites, scale insects, and thornbugs. Other issues include cankers, fungal stem galls, and leaf spots.
Lemon Bottlebrush (Callistemon citrinus) - Interesting facts
Members of the Callistemon genus are so named because of their inflorescences of flowers. The inflorescences have long stamens and all of the individual flowers are clumped together on the stem. The combination of the clustered flowers and long stamens gives the inflorescence the image of bottlebrush, hence the common name.
Lemon Bottlebrush (Callistemon citrinus) - Soil and irrigation
Generally tolerant of alkaline soils; however, they will sometimes suffer from chlorosis. Prefers neutral to acidic soil, medium rich with good drainage.
