Callistemon Sieberi (Siebier's Bottlebrush)
Callistemon Sieberi (Siebier's Bottlebrush)
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Callistemon Sieberi (Siebier's Bottlebrush) is a tall, upright Australian native shrub known for its vibrant red, cylindrical bottlebrush flowers. The glossy green foliage provides a striking contrast to the bright blooms, making it a stunning feature plant in gardens and landscapes. This variety is ideal for attracting bees and birds, enhancing biodiversity while adding vibrant colour throughout the spring and summer months. Its tall growth habit makes it perfect for screening, hedging, or as a standout feature plant.
Callistemon Sieberi is drought-tolerant and low-maintenance, thriving in a range of conditions.
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Mature height
2–4 meters
Mature width
1–1.5 meters
Spacing
1.5–2 meters
Evergreen/Deciduous
Evergreen
Foliage
Red bottlebrush flowers with green foliage
Flowering Period & Fruit Development/Harvest
Spring to summer (September to February)
Sun tolerance
Full sun to partial shade
Maintenance
Low maintenance. Prune lightly to maintain shape and remove spent flowers. Drought-tolerant once established.