What is a Sub-Shrub?
Sub-shrubs are perennial plants whose woody growth originates at the base of the plant. Herbaceous growth occurs from basal buds, or buds at the base of the plant, during the growing season. Many garden herbs fall into this category.
The sub-shrubs described below bloom on new growth. It is important to remove old and dead growth to stimulate new stem formation and flowering. Unpruned sub-shrubs tend to become leggy and unattractive.
Popular water-wise sub-shrubs include Russian …