Some botanists recognise two botanical varieties. The type, var. lavandulacea , occurs across the whole range of the species while var. It differs from the type in having narrow leaves with silky hairs. G.lavandulacea is popular in cultivation but performs best in drier climates without excessive summer humidity. It prefers a sunny position but will tolerate some light shade.
Plants are tolerant of at least moderate frost.
Fertilisers containing phosphorus are best avoided. The species can be grown from seed but distinct forms need to be propagated from cuttings which strike fairly readily. You may have reached this description from one of several different sources.