Nepeta nervosa Blue MoonShort, fat spikes of purple-blue flowers over a long period. | Common name: Catmint | | Flowering period: June to September. | | Growing conditions: Well-drained soil in full sun. | | Typical mature height: 12 inches ( 30 cms ) | | Hardiness: - to discuss further |  | This is an insect-friendly plant which gives bees and other insects easy access to nectar and pollen. | |

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