Physocarpus opulifolius 'Diabolo' (P. o. 'Monlo') Diabolo Ninebark STD | | An exciting shrub with attractive dark reddish-purple leaves on long arching canes. Pinkish-white, button-like flowers in early summer that contrast nicely against the dark foliage. Very showy and extremely hardy. Prized as a cut flower. |
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