Catmint 'Whispurr Blue'

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Image courtesy of Ball Horticultural Company. Nepeta x faassenii 'Whispurr Blue' Plumes of violet-blue flowers in summer. Forms a mid-size clump of grey-green, aromatic foliage. At tracts pollinators. Easy and reliable. Average, well-drained soil. Sun. Height 60-70cm (24-28 in.), Spread: 45-55cm (18-22 in.) Zone 3 Show more