This herbaceous perennial has slender dark brown pubescent stems that form an open rounded habit. It has dark green ovate toothed leaves and the small white to pale mauve tubed-shaped  flowers have long stamens and appear in a terminal cluster in summer.

Hardiness zones 10 to 12 

Orthosiphon aristatus is naturally found from Australia to south-east Asia growing on the coast and the adjoining hill sides in well drained organic rich moist soil. It prefers an open sunny to semi shaded wind protected position and is frost and drought tender.

Cat's Whiskers is grown for its flowers and is planted in cottage gardens along herbaceous borders or in patio pots. It is also used in tropical settings establishing in 1 to 2 years. It is suitable for coastal regions in a protected position and the flowers may be cut for floral arrangements. ID 2918

Note:
It is also regarded as a medicinal herb and is believed to anti-inflammatory and diuretic properties.

Orthosiphon (or-tho-SIPHON) aristatus (ar-e-STAT-us)    

Lamiaceae (lay-mee-AY-see-ee) 
(Labiatae)
Mint Family