Common Name: Alexandra Palm
Botanical Name: Ptychosperma alexandrae
Subfamily: Arecaceae
Plant Type: Group Palm Tree
Origin: Australia
Zones: 10 - 11
Height: 30' meters tall
Rate of Growth: fast growing
Salt Tolerance: High
Soil Requirements: prefer moist, fertile soil
Water Requirements: tolerate both boggy conditions and dry spells
Nutritional Requirements: Moderate
Light Requirements: partial shade when young and full sun once the crown reaches full height
Form: Trunk gray, up to ca. 30 meters tall.
Leaves: Pinnately compound, reduplicate; twisted 90° near tip.
Climate: Young Archontophoenix trees will not tolerate frost, but adult plants may stand 28 F
Inflorescence: Inflorescences up to 70 cm long
Fruits: Pinkish Red
Pests or diseases: may be damaged by spider mites.
Uses: Ornamental tree
Bad Habits: Drying winds can burn foliage. Irrigate during prolonged drought.
Cost: $$ - $$$ -- Reasonable to Expensive
Propagation: germinating wherever they fall, germinates quickly and easily