Hardenbergia violacea
Light: Morning sun with afternoon shade is best in Phoenix; avoid intense reflected heat and exposed west-facing walls.
Water: Water deeply, then let the upper few inches of soil dry. Irrigate regularly during establishment and summer heat; established plants tolerate some drought. Reduce watering in winter.
Soil: Well-drained sandy or loamy soil; tolerates varied soil types but dislikes waterlogged roots. Highly alkaline soil may cause iron chlorosis.
Mature size: Typically 10–15 feet tall on support and 6–10 feet wide; size varies with cultivar and pruning.
Bloom: Late winter to early spring, typically January through March in Phoenix.
Evergreen / deciduous: Evergreen; foliage and tender shoots may suffer damage during hard freezes.
Growth rate: Moderate to fast with suitable moisture and protection from extreme heat.