Evergreen Callistemon is native to Australia but has grown in the UK since 1800 after it was found by Victorian plant hunters. Callistemon is better known as Bottle Brush and there are many varieties including Dark Red which is a Subulatus type from South Eastern Australia. Subulatus are hardy and low growing. Its evergreen foliage is grey-green, small and pointed on arching stems. The leaves have a slightly hairy surface when they first emerge.
The show-stopping flowers appear in spring and flower throughout the summer months in a deep vibrant red display. In autumn, flowers mature into hard seed pods that remain for several years.
Height And Spread of Callistemon Subulatus Dark Red Multi-stemmed Bottle Brush Dark Red is low growing compared to other Callistemon varieties, only reaching a metre in height and less in spread.
How Hardy Is Callistemon Subulatus Dark Red Bottle Brush Dark Red is the toughest of red flowering Callistemons. It is drought tolerant once established and needs well-drained to dry soil. In colder parts of the UK, it may die down to ground level over winter but will re-emerge in spring.
How To Use Callistemon Subulatus Dark Red This is an unusual low-maintenance shrub for a hot border where its pointed evergreen leaves bring winter interest and vivid red bottle brush flowers provide a focal point over spring and summer. Because Subulatus Callistemon enjoys dry soil and is low growing, it’s an ideal shrub for patio containers or a balcony garden. Excellent in warm coastal areas, Bottle Brush Dark Red brings a splash of exotic colour to well-drained sunny spots.
How To Care For Callistemon Subulatus Dark Red Bottle Brush is a low-maintenance plant that needs full sun in a sheltered position - so a west or south-facing spot is best. It likes well-drained, sandy soils with neutral to acid pH and won’t thrive in wet soil. There’s no need to regularly prune, but you can cut back wayward branches or trim back some length in winter. Water well until established, and weekly throughout summer if container grown. Mulch each spring for the brightest flower display.