Crimson Bottlebrush

Callistemon citrinus, Myrtaceae

Zones

8–11

Layer

Shrub

Lifespan

Perennial

Growth

Fast

Guild Roles

Pollinator Attractor

Growing Conditions

Sun

Full Sun (optimal)

Water

Low

Soil pH

5.5 – 7.5

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Rosemary GrevilleaGrevillea rosmarinifolia

Pollinator Sharing

Antagonistic Plants

Tropical HibiscusHibiscus rosa-sinensis

Crimson bottlebrush's aggressive root system and eucalyptus-family allelopathic compounds can suppress growth of hibiscus and other non-myrtaceous plants.

One-sided BottlebrushCalothamnus quadrifidus

Both myrtaceous shrubs have similar allelopathic compounds and root structures, leading to competition for resources and mutual chemical interference.

Uses

Functions

Ornamental

Common Questions

What zones does Crimson Bottlebrush grow in?

Crimson Bottlebrush grows in USDA hardiness zones 8 through 11.

What are good companion plants for Crimson Bottlebrush?

Good companions for Crimson Bottlebrush include Rosemary Grevillea.

Design guilds with Crimson Bottlebrush and see companion relationships visually.

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