Protected Series:
Zone: 4
IVORY SILK TREE LILAC
Syringa reticulata 'Ivory Silk' is commonly referred to as Ivory Silk Japanese Tree Lilac.
This particular variety of Lilac tree displays a more oval to rounded crown than 'Ivory Pillar'. Its large panicles of fragrant ivory-white flowers are produced with abundance in early summer providing food for bees, butterflies and other beneficial pollinators. Dense, dark green foliage remains attractive through the summer with reddish-brown exfoliating bark adding to its interest.
Ivory Silk Japanese Tree Lilac is drought resistance once established. If pruning is needed, do so immediately after flowering. This is an easy care and low maintenance Lilac tree that thrives in full sun in average, evenly moist, well-drained soils. It can tolerate light shade but flowers best in the sun. It is ideal for foundation plantings or as a specimen.
| PLANT | SIZE | TYPE | GALENA | ADD'L | DIG | SOON |
| SYRINGA RET IVORY SILK | con 15 | M-STEM | 3 | 0 | 0 | 10 |
| SYRINGA RET IVORY SILK | 1.5 in | 0 | 0 | 40 | 0 | |
| SYRINGA RET IVORY SILK | 1.75 in | 0 | 0 | 292 | 0 | |
| SYRINGA RET IVORY SILK | 2 in | 101 | 0 | 278 | 0 | |
| SYRINGA RET IVORY SILK | 2.5 in | 0 | 0 | 2 | 0 | |
| SYRINGA RET IVORY SILK | 3 in | 28 | 0 | 0 | 0 |
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To help this plant settle in and thrive, we recommend these standard planting practices: select a location with full sun and loose, well-drained soil, allowing ample room for this award-winning tree-form lilac to develop its sturdy, oval canopy. It is highly urban-tolerant but performs best when provided with consistent moisture during periods of drought. Apply a balanced fertilizer in early spring to encourage the massive, fragrant, creamy-white panicles that appear in mid-June. Since this tree blooms on old wood, avoid pruning in late winter or early spring, which would remove the season's flowers; instead, conduct any structural training or limb-thinning immediately after the flowering period has ended.
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