About
A large, fast-growing, deciduous tree to about 25m tall from North America (trembling aspen) with rounded, finely toothed, mid-green leaves on long, flattened stalks that tremble in even a light breeze, turning brilliant yellow in autumn. A graceful and ornamental tree for a large, moist, sunny garden.
About the genus
Viola can be annuals, biennials or deciduous or evergreen perennials, with simple or pinnately lobed leaves and 5-petalled flowers of characteristic shape
Plant details
Suggested usesWoodland gardens, naturalised areas, ground cover
Care notes
CultivationMoist, humus-rich soil in dappled shade. Tolerates dry shade once established
PruningAllow to naturalise. Cut back after seeding if desired
PropagationSelf-seeds readily. Divide clumps in autumn
Pest resistanceGenerally pest-free
Disease resistanceGenerally disease-free