All varieties flower in spring. The leaves are grey green in colour, narrow and around 30mm long. Although native to a dry summer climate, both var. They are tolerent of at least moderate frost. The species responds to annual fertilising after flowering and to an annual light pruning to encourage a bushy shape.
Propagation is easy from both seed and cuttings.
Particular colour forms must be propagated from cuttings to ensure that plants true to the parent are obtained. You may have reached this description from one of several different sources.