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botanical name:
Buddleja davidii 'Nanho Blue'
Buddleja davidii 'Nanho Blue' © Deeproot Plant Base
common name:  Butterfly bush
synonyms:  Buddleja davidii 'Mongo', Buddleia davidii 'Petite Indigo'
family:  Buddlejaceae
characteristics: shrub, scented/aromatic
height: 1.80m
width: 1.80m
growth rate: fast
growth habit: arching
leaf colour: grey-green
flower colour: blue
main season: Summer
aspect: full sun, part shade
conditions: dry soil, moist soil, sandy soil
preferred soil pH: neutral-alkaline
minimum temp: -12°C
USDA zone: 6 to 9
description:
Slender, mid to grey-green leaves. Narrow panicles of pale lilac-blue flowers. Relatively compact habit.

cultivation:
Very tolerant of poor conditions. Best in well drained soil and full sun.

Prune hard to control size, shape and encourage fresh flowering growth. Best done in early spring, but additional partial pruning can be done after flowering in autumn to prevent winter wind damage.

usage:
Attractive to butterflies.

other notes:
RHS AGM
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