An Easygoing Shrub with Superlative Color and Form: Physocarpus opulifolius 'Diablo' - FineGardening
Diabolo Ninebark | Naturehills.com
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
How to Grow & Care for Diablo Ninebark (Physocarpus Opulifolius Diablo)
Ninebark, Diabolo® - TheTreeFarm.com
Physocarpus Opulifolius - AKA 'Diablo' | SALS NURSERY AND LANDSCAPING
Physocarpus opulifolius Diabolo® | Landscape Plants | Oregon State University