|1||15C+||Indoor||Grow as a houseplant or under heated glass.|
|2||10 to 15C+||Indoor / Outdoor||Grow indoors, or outdoors in summer in a sheltered spot|
|3||5 to 10C||Tender||Grow outdoors in summer, and in a heated glasshouse in winter.|
|4||1 to 5C||Tender||Grow outdoors or under glass without risk of frost.|
|5||-5 to 1C||Half-Hardy||Hardy in coastal/mild/sheltered areas. Will not tolerate hard/sudden frost. May require winter protection in situ. such as fleece or straw mulch.|
|6||-10 to -5C||Hardy||May suffer at altitude, central/northerly locations, harsh winters, cold gardens and when grown in pots.|
|7||-15 to -10C+||Hardy||Will survive most severe winters but may be at risk in central/northerly locations and in pots. Top growth may be destroyed but will usually re-grow.|
|8||-20 to -15C||Hardy||Will survive severe winter, but may need protection when grown in pots.|
|9||-20C & Colder||Very Hardy / Hardy||in the severest European climates.|
4 In stock
Originating from Australia
Stiff upright stems bearing small pointed, glossy dark green leaves, often densely covered in silky hairs when young. In summer golden yellow to cream bottlebrush flowers are produced on the ends of the branches – sometimes tinged with pink and green. Native to the mountains of southeast Australia it is the hardiest of all Callistemons.
Grow in well-drained soil in full sun.
Height and spread after 2 – 3 years 1.5m x 1.5m
Semi mature height and spread after 5 – 6 years if not pruned 2m x 1m
Potential mature height and spread after 10 – 12 years 2.5m x 2m