Stachys officinalis

'Hummelo'

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BETONY

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Glossy, deep green leaves form dense mounds 12″ tall. Spikes of violet flowers rise to 24″ tall. June – August. Full sun to light shade, well-drained soil. Deer resistant. A Piet Oudolf introduction! Useful addition to mixed plantings, as a groundcover, in rock gardens & containers. Zone 4.