(Archontophoenix cunninghamiana) - Its glossy bright green crown, deep green fronds and majestic trunk is why it has long been the pinnacle of any tropical or jungle landscape. The King Palm is the most stately and beautiful palm available for the Southern California climate. It loves rich soil, lots of nutrition, and ample water, and is low maintenance and quick growing. They definitely are a good canopy-forming tree.  Zone: USDA: 9b-12 Frost Tolerance: 28°F (-2°C) when mature, young plants are more cold sensitive Sun Exposure: Full sun to part shade. Origin: Australia