Bears large, single, crimson flowers between July and October. These contrast well with the beautiful, bronze foliage. Hardy tree that prefers full sun with free-draining soil. Frost and drought tolerant once established. Leptospermum scoparium ‘Wiri Donna’ (Manuka) is an evergreen tree that grows at a moderate rate to reach 1.5m (H) x 1m (W) in 10 years.