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botanical name:
Callistemon citrinus 'Splendens'
Callistemon citrinus 'Splendens' © Deeproot Plant Base
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common name:  Bottlebrush tree
synonyms:  Callistemon leavis, Callistemon citrinus 'Endeavour'
family:  Myrtaceae
characteristics: shrub, evergreen
height: 8.00m
width: 6.00m
growth rate: medium
growth habit: bushy
leaf colour: dark green
flower colour: red
stem/bark: brown
main season: Summer
aspect: full sun
conditions: moist soil, sandy soil
preferred soil pH: neutral-acid
minimum temp: -5°C
USDA zone: 9 to 10
Arching branches of stiff, lance-shaped, dark green leaves. Young shoots are pinkish red. Crimson red, bottlebrush flower spikes in spring and summer.
Does not attain full size in Northern temperate regions, generally reaching about 3m.

Well drained, preferably neutral to acid soil in full sun. Dislikes shallow chalky soils. Warm, sheltered position and may need winter protection in cold areas.
Prune after flowering, cutting back to healthy sideshoots. Extensive pruning should be spread over several years.
Can be successfully trained as a wall shrub.

From semi-ripe cuttings in summer.

other notes:

Often sold in the horticultaral trade as Callistemon leavis.
One of the most widely planted forms in the UK.

Was named Callistemon 'Endeavour' by Australian Nurserymen in 1970 and promoted as part of the bicentennial celebrations of Captain James Cook's landing in Australia. Sometimes still listed under this name.
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