The lilacs are well-loved shrubs which grow from 8 to 12 ft. high, and flower in late April or early May. Plant from October to February in a sunny position, in a goodfed occasionally with liquid manure or mulched with rotted com-post. Prune moderately after flowering to remove dead flower heads, thin out any weak growths, and remove all suckers from named varieties. There is quite a range of colour among the hybrids.
Recommended double varieties ofare:
Charles Joly, dark red.
Madame Lemoine, pure white flowers.
President Grevy, lilac flowers, which are carried in very large clusters.
Recommended single varieties of S. vulgaris are:
Etna, wine-purple flowers.
Jan van Tol, white flowers.
Marechal Foch, large clusters of carmine-rose flowers.
Souvenir de Louis Spaeth, dark red flowers.