Diabolo ninebark
Physocarpus opulifolius‘Monlo’ (L.) Maxim.
Also called purple ninebark.
Vigorous ninebark with dark purple foliage, pinkish-white flower clusters and peeling winter bark. Adds contrast to green borders.
Size over time
Typical landscape size 1.8–2.4 m (6–8 ft) tall and 1.8–2.4 m (6–8 ft) wide; fast growth, about 4 years to maturity. Intermediate sizes use the planner’s growth curve (k = 0.45) from the #3 install size.
Bloom
Pinkish white flowers, May–Jun (northern-hemisphere months; timing shifts with region and season).
| Plant | J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diabolo ninebark : May–Jun |
Design notes
- Powdery mildew is common in humid, still sites; give good air movement.
- Remove a few of the oldest stems after flowering to keep it full; compact cultivars exist for small beds.
Regions
Native range: Eastern and central North America (species).
Native to these OpenLandscape3D pilot regions:
Native status describes where the species occurs naturally. It is not a promise that it suits a particular garden; site conditions decide that.
Related plants
Plan with Diabolo ninebark
Place it in a design, check it against your zone, light and moisture, and see it at year three and year ten.