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botanical name:
Buddleja colvilei
Buddleja colvilei © Deeproot Plant Base
family:  Buddlejaceae
characteristics: shrub, semi-evergreen
height: 5.00m
width: 3.00m
growth rate: medium
growth habit: bushy
leaf colour: green
flower colour: red
main season: June
aspect: full sun
conditions: moist soil, sandy soil
preferred soil pH: any
minimum temp: -10°C
USDA zone: 8 to 9
description:
Vigorous large shrub or small tree with slightly hairy leaves. Drooping panicles of large, showy, rose-red flowers in June. Semi-evergreen in mild climates.

cultivation:
Somewhat tender, needs winter protection when young.
Prune only to maintain shape, don't cut back hard as it flowers on the previous year's growth.

propagation:
From seed or by cuttings

other notes:
Native to the eastern Himalayas, introduced to wstern cultivation in 1849
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