Physocarpus Opulifolius Diabolo Tavoly Are Popular Deciduous Shrubs That Offer Several Shades Of Leaf Color In Many Cultivars In The Shape And Height Of The Shrub The Cultivar As The Name Suggests
Ninebark Diabolo® (Physocarpus Monlo) 9" bare root
Physocarpus opulifolius 'Diabolo' - BBC Gardeners World Magazine
An Easygoing Shrub with Superlative Color and Form: Physocarpus opulifolius 'Diablo' - FineGardening