Height: 20 feet
Spread: 12 feet
Sunlight:
Hardiness Zone: 7b
Other Names: Island Mountain Lilac, California Mountain Lilac
Description:
A fast growing large shrub with dark green glossy foliage with felt textured undersides; beautiful blue flower clusters add color in the spring; perfect for shrub borders or as a hedge or screen; very drought tolerant once established
Ornamental Features
Tree Lilac is bathed in stunning clusters of fragrant sky blue star-shaped flowers at the ends of the branches from late winter to late spring. It has attractive dark green evergreen foliage which emerges chartreuse in spring. The glossy oval leaves are highly ornamental and remain dark green throughout the winter.
Landscape Attributes
Tree Lilac is a dense multi-stemmed evergreen shrub with an upright spreading habit of growth. Its average texture blends into the landscape, but can be balanced by one or two finer or coarser trees or shrubs for an effective composition.
This is a relatively low maintenance shrub, and should only be pruned after flowering to avoid removing any of the current season's flowers. It is a good choice for attracting birds, bees and butterflies to your yard, but is not particularly attractive to deer who tend to leave it alone in favor of tastier treats. Gardeners should be aware of the following characteristic(s) that may warrant special consideration;
- Spreading
Tree Lilac is recommended for the following landscape applications;
- Mass Planting
- Hedges/Screening
- General Garden Use
Planting & Growing
Tree Lilac will grow to be about 20 feet tall at maturity, with a spread of 12 feet. It has a low canopy, and is suitable for planting under power lines. It grows at a fast rate, and under ideal conditions can be expected to live for approximately 20 years.
This shrub does best in full sun to partial shade. It prefers dry to average moisture levels with very well-drained soil, and will often die in standing water. It may require supplemental watering during periods of drought or extended heat. It is not particular as to soil type or pH, and is able to handle environmental salt. It is somewhat tolerant of urban pollution. This species is native to parts of North America.
