Callistemon — (bottlebrush) bears spectacular cylindrical red flower spikes that attract pollinators.
Botanical name: Callistemon citrinus
Position: Sun
Flowering: May–July
Height: 100–250 cm
Winter care: tolerates brief frosts to −7 °C, but roots are exposed in a pot — overwinter in a bright, cool place (5–10 °C)
Watering: let the compost dry halfway between waterings; it will not tolerate standing water. Never leave water in the saucer.
| Life cycle | Perennial |
|---|---|
| Frost hardiness | Not frost-hardy |
| Size | Ø 17 cm, bush, Ø 19 cm, bush, Ø 22 cm |