Physocarpus opulifolius 'Diablo (tree form)'
Physocarpus opulifolius 'Diablo' (tree form) flowers
(Photo courtesy of Bachman's Wholesale)
Height: 8 feet
Spread: 3 feet
Hardiness Zone: 2
Other Names: Eastern Ninebark
A striking accent tree with intensely purple leaves all season long, small white flowers followed by pretty reddish fruit which show well against the foliage, and interesting peeling papery bark; prune to maintain tree form, makes a superb color accent
Diablo Ninebark features showy clusters of white flowers at the ends of the branches from late spring to early summer, which emerge from distinctive pink flower buds. It has attractive deep purple foliage which emerges burgundy in spring. The serrated lobed leaves are ornamentally significant and turn an outstanding red in the fall. It features abundant showy red capsules from early to mid fall.
Diablo Ninebark is a deciduous dwarf tree, selected and trained to grow in a small tree-like form with the primary plant grafted high atop a standard. Its relatively coarse texture can be used to stand it apart from other landscape plants with finer foliage.
This dwarf tree will require occasional maintenance and upkeep, and can be pruned at anytime. It has no significant negative characteristics.
Diablo Ninebark is ideal for use as a garden accent or patio feature, and is recommended for the following landscape applications;
- General Garden Use
Diablo Ninebark will grow to be about 8 feet tall at maturity, with a spread of 3 feet. It tends to be leggy, with a typical clearance of 2 feet from the ground, and should be underplanted with lower-growing perennials. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 30 years.
This dwarf tree does best in full sun to partial shade. It is very adaptable to both dry and moist locations, and should do just fine under typical garden conditions. It is not particular as to soil type or pH. It is highly tolerant of urban pollution and will even thrive in inner city environments.
This is a selection of a native North American species.