Occasionally a named tree lilac produces a shoot with a different flower form, a process called sporting. This yellow sport popped in Holland in 1949, in Gerrit Maase’s cut flower nursery.

Both deep purple Cavour and wine red Ludwig Spaeth are handsome ... To keep your lilac happy, give it a sunny ... letting them develop into multi-trunked shrubs rather than single-trunked trees.

Karyn Servin of Cedar Mill sent in a photo of the 'Ludwig Spaeth' lilac growing in her front yard. "Lilacs are one of my favorite flowers both because they can have such a wonderful scent, but ...