Lavandula is the botanical name for lavender, a genus of small shrubs which succeed best in warm sunny places and on well-drained soils, particularly those that are neutral or alkaline. All are improved in habit by moderate clipping after flowering.
The most popular kind is the common or Old English lavender, which has narrow greyand in spikes in June—July. It is usually known as Lavandula spica though it is probably a hybrid between that species and L. angustifolia. There are numerous varieties such as alba, white, 2 ft.; Grappenhall, lavender blue, 2 to 3 ft.; Hidcote, violet purple, 18 to 24 in.; Munstead, bluish purple, 18 to 24 in.; rosea, pink, 18 to 24 in., and Twickel Purple, purple, 18 to 24 in.
Lavandula stoechas, the French lavender, has its purplecrowded into cylindrical heads with a few purple bracts on top. It grows about 18 in. high and is in flower for a very long time in summer and early autumn, but it is considerably less hardy than the common lavender.