in Tucson, Phoenix,
Arizona and California

Gardening in Tucson, Phoenix, Arizona and California

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Callistemon citrinus: Crimson Bottlebrush / Lemon Bottlebrush

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Form: Shrub.
Leaf retention: Evergreen.
Growth rate: Moderate.
Mature Size: 6-12' high and 6-9' wide.
Flowers: Red, bottlebrush shape composed mostly of stamens.
Bloom: Periodically throughout year depending on temperature and cultivar.
Fruit: Woody seed capsules.
Leaves: Green, lance-shaped, leathery, lemon smell when crushed.
Stems: No thorns. Light brown.
Wildlife: Attracts butterflies, bees, hummingbirds.
Toxic / Danger: No.
Origin: Australia.

Cultivation and Uses
USDA hardiness zones: 9-11. May die to ground in freezes and come back from roots.
Heat tolerant: Yes.
Drought tolerant: Yes.
Sun: Full sun. Avoid locations that are in part shade for a significant part of the day to prevent the foliage and branches from developing more on the sunny side, giving a lopsided appearance.
Water after becoming established: Once or twice a month.
Soil: Well drained, dry, pH 6.1-9.0 (slightly acidic to highly alkaline). Damp soil results in root fungal diseases.
Mulch: Around roots before first predicted frost.
Prune: In summer after flowering. Blooms occur on new growth. Can be trimmed into a hedge. Less desirable as a tree shape because of growth pattern.
Litter: Low.
Propagation: Seed or cuttings.
Uses: Ornamental, hedge. Flowers and leaves used for tea.

A member of the Myrtle family. Pictures are of a dwarf cultivar.

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Callistemon citrinus: Lemon Bottlebrush - flower

Callistemon citrinus: Lemon Bottlebrush - seed capsules

Callistemon citrinus: Lemon Bottlebrush