Ptychosperma macarthurii (Macarthur Palm) is a popular multi-trunked palm in the tropics. The leaves are dark green and are about 4-5 feet long. They are common in the tropics as they prefer warm humid weather. Southern California is a little cool and dry.
Soil requirements: Rich (high in organics and nutrients) with good drainage. Light Requirements: Full sun to semi-shade, but light shade is recommended in coastal locations.
Water Requirements: Moderate. Regular and deep watering is necessary to grow this tree.
Fertilizers: Use a general slow-release fertilizer in late spring or summer.
Plant Care: Pruning is this tree is not necessary. Trimming off dead palm fronds will help it maintain its attractive appearance. Special Features: This plant is great for ornamental foliage. It does well in seaside or salt tolerant environments.
Cold Hardiness: Grows in USDA Zone 9-11. In cold regions, it should be grown in a pot and brought inside during winter. Proper care and protection from cold is essential for the survival of this plant.