| Description | Lilac Katherine Havenmeyer (Syringa vulgaris) has panicles of dark buds opening to double lavender pink flowers. A large Lilac reaching over 10 feet tall. |
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| Pronunciation | (si-RING-gah) |
| Plant Type | Shrubs Deciduous |
| Hardiness Zone | 3-9 |
| Sunlight | full, mostly sunny |
| Moisture | average |
| Soil & Site | average, avoid wet soggy sites |
| Flowers | dark buds open to lavender pink, flowers bore on a panicle |
| Fruit | seeds in loose clusters of brown beaked dehiscent capsules |
| Leaves | opposite, simple, glossy green leaves that can suffer from powdery mildew in the fall |
| Stems | has raised lenticels |
| Roots | fiborous |
| Dimensions | 10-12 by 5-10 feet (HS) |
| Maintenance | There are many different ways to prune a Lilac. The most drastic is to cut them down to the ground. Using this method I have had ones sucker back and regrow while others that didn't make. You can cut out the old stems and let the new suckers fill in thinning them to the desired amount. On many old plants we have removed all the suckers and left a few of the old stalks. Pruning them up to bare base stems, turning the plant into a small tree. Width can be controlled by pruning them back 1-2 or more nodes. Drastic pruning may delay flowering a few years. Since Lilacs bloom on next season’s wood, prune after they are done blooming |
| Propagation | cuttings |
| Notes & Reference | #104-Lilacs A Gardeners Encyclopedia (Fiala) |
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