Scientific Name: Syringa reticulata 'Ivory Silk'
Common Name: Ivory Silk Japanese tree lilac
Family Name: Oleaceae
Origin: Garden origin, S.E. Asia / Japan / China
Hardiness Zone: Zone 3: (-40 to -34 °C)
Plant Type: Tree - deciduous
Mature Size: 5 - 7m x 4 - 5m (height x width)
Habit: Dense, Upright
Form: Oval - vertical, Round
Texture: Medium
Landscape Uses: Accent plant, Attract birds, Attract butterflies, Fragrance, Screening, Small garden/space, Specimen plant, Street (boulevard tree), Winter interest
Exposure: Full sun
Soil or Media: Alkaline
Leaves: Simple, Opposite, Soft flexible, Pinnate venation, Glabrous, Ovate, Sinuate
Flowers: Thyrse, White, May-Jun
Fruit: Capsule, Green, Brown, Sep-Oct
Key ID Features:
Leaves similar to common lilac, ovate, most blades 7-12cm long x 4-7cm wide, petioles 1-2cm long; florets small, white, in large panicles (thryse). Winter ID: bark smooth coppery-gray, horizontal lenticels (like a young cherry tree); buds opposite, sessile, 2-4mm long, with four pairs scales, orange/brown, margins lighter colour, tips pointed.