Butterfly bush
Common Name: Butterfly bush
Genus: Buddleja
Species: davidii
Cultivar: 'Nanho Blue'
Skill Level: Beginner
Exposure: Full sun, Partial shade
Hardiness: Hardy
Soil type: Well-drained/light, Clay/heavy, Chalky/alkaline, Moist
Height: 150cm
Spread: 150cm
Time to take cuttings: November to February
Butterfly bushes are like magnets for butterflies when they bloom in summer. 'Nanho Blue' has beautiful purple-red flowers and is as easy to grow as any of the butterfly bushes. Left unpruned it can get very leggy so prune hard back every spring just before the plant comes into growth. Although this seems drastic, it will still flower the same year.
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