About the Ninebark -
Dwarf :
The Dwarf Ninebark, Physocarpus opulifolius
'Nana', is a small shrub that can be used as a small
hedge plant, foundation plant or in rock gardens. It
has white flowers in the spring and has peeling bark
that creates winter interest.
This dense bushy shrub produces its flowers in
late spring. After flowering, seedpods develop that
are red and quite ornamental. Plant in full sun to
part shade.