This is a fast growing shrub from South Africa, which grows to 2 metres in height. It can reach greater heights if supported amongst other plants but can also be pruned into a hedge. It has masses of sky blue flowers in dense clusters in the warmer months. It is prone to producing masses of suckers.

This beautiful hybrid perennial Salvia has soft grey green foliage and grows to 75cm in height. Flowers are profuse and bright deep blue and cover the bush from spring to autumn. It is quite hardy, tolerates some frost and endures dry conditions once established. Prune back after each flowering to encourage a new flush of foliage and flowers.

This bushy Australian native shrub has masses of small, mauve flowers along the stems for most of the year. It grows to 2 m high by 2 m wide. It prefers full-sun for best flowering and tolerates most soils. It can be used as a low hedge and is suitable for growing in containers. Responds well to regular pruning to maintain compact shape. Frost, salt and drought tolerant.

This beautiful evergreen shrub has contrasting silver grey foliage and can grow to 2 metres in height. Throughout the warmer months the plant is covered in purple to pink tubular flowers that contrast against the foliage making a wonderful display. Native to southern parts of USA it has low water requirements, makes a great hedge or screen or simple garden plant. There are many cultivars including 'Lavender Lights' and 'Lilac Elegance'