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| Hardiness zone | 3 | | Maximum height | 3m / 10' | | Maximum width | - / - | | Exposure | Sun / Half-shade | | Plants attracting birds | No | | Fragrant plants | No | | Notes : Rich lavender-blue flowers 15-20cm(6-8") in diam. with reddish-purple stamens, abundant in May and sporadically from May-June to September. Pruning group B. |
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