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| Hardiness zone | 5 | | Maximum height | 90 cm / 36" | | Maximum width | 80 cm / 32" | | Exposure | Sun / Half-shade / Shade | | Plants attracting birds | No | | Fragrant plants | No | | Notes : Large blue or deep-lavender flower balls smother this prolific bloomer. If soil is neutral then flowers are pink or white. 'Hortensia'-Type. |
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