Double, upright purple-black flowers.
| Common name: Granny's Bonnet |
| Flowering period: May to July. |
| Growing conditions: Sun or part shade. |
| Special note: Cottage garden favourite. |
| Typical mature height: 30 inches ( 76 cms ) |
| Hardiness: Hardy. Should withstand average to cold UK winters. |
 | This is an insect-friendly plant which gives bees and other insects easy access to nectar and pollen. |
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