Lightwood - Acacia implexaAcacia implexa (Lightwood) Acacia implexa is a resilient Australian native tree valued for its graceful form, fine evergreen foliage, and adaptability to tough conditions. Its a dependable choice for shade, screening, and natural landscapes where low maintenance is key. Why Gardeners Love Lightwood Hardy native performer Thrives in heat, drought, and a wide range of soils once established. Evergreen foliage Provides year round greenery and structure.