Callistemon rigidus
Stiff Bottlebrush, Bottlebrush Tree.
Family |
Myrtaceae |
Genus |
Callistemon |
Species |
rigidus |
Category |
Tropicals, Woody |
Type |
Shrub (evergreen) |
USDA Hardiness Zone |
9 - 10 |
Canadian Hardiness Zone |
Requires cold season protection under glass. |
RHS Hardiness Zone |
H2 - H4 |
Temperature (°C) |
-12.2 - 4.5 °C |
Temperature (°F) |
10 - 40 °F |
Height |
1 - 2.4 m |
Spread |
2 - 3 m |
Landscape |
Uses such as a specimen plant or hedge. |
Shape |
Upright and spreading. |
Pests |
May be prone to glasshouse red spider mite, mealybugs and scale insects under glass. |
Leaf Description |
Aromatic, linear to lance-shaped, large, deep green leaves. |
Flower Description |
Red flower spikes that are shaped like bottle brushes |
Fruit Description |
Hard seed round capsules, 1 cm long, that occur in tight clusters around the stem. |
Notable Specimens |
National Trust Trelissick Garden, Feock, near Truro, Cornwall, United Kingdom. |
Propagation |
Propagate by seed or from semi-hardwood cuttings. |