Xanthostemon aurantiacus (Xanthostemon)
Botanical name: Xanthostemon aurantiacus
Common name: Xanthostemon
Family: Myrtaceae
Origin: New Caledonia
USDA Zone: 9-10
Plant form: Large bush
Mature height: 5-10 ft
Sun exposure: Full sun or bright light indoor
Cold tolerance: Frost sensitive. Protect from freezing.
Watering: Moderate
Flower color: Red, crimson, vinous; yellow, orange
Suitable for: Outdoors in the suitable USDA zone; small gardens, containers, and indoor growingThe flowers are particularly beautiful and are held in velvety, pendulous clusters up to 3 ft long, each one composed of hundreds of small, wrinkled, red or crimson flowers mixed with yellowish, orange or yellow ones.
Xanthostemon aurantiacus is a stunning and exotic plants that can grow up to 5-10 ft tall and it requires fast-draining soil and regular watering. It prefers full sun and should be given more water in areas with hot summers and low humidity. This large shrub can grow in USDA Zones 9-11 and making it an ideal choice for gardeners in those areas.
To ensure best flowering results, keep the plant in a sunny location with soil that drains well and water regularly since it can be pretty drought tolerant. In cold climates, Xanthostemon aurantiacus is best grown in a pot and brought indoors when temperatures drop below 35F. It is best to keep the pot in the sunniest location of the house, water it regularly in the growing season and reduce water slowly when temperatures drop in fall and winter. In the harshest winter months, keep the plant in bright light and reduce watering.

