Alexandra Palm


Scientific Name: Archontophoenix alexandrae H. Wendl. & Drude
Family: Arecaceae
Alexandra Palm(Archontophoenix alexandrae)
Recommended Temperature Zone:
Sunset®: 21-25
USDA: 9-11

Frost Tolerance: Tender when young, semi tender when mature to 28° F (-2°C)

Sun Exposure: Full sun to light shade

Origin: Eastern Australia (Central to northern Queensland), in coastal rainforests

Growth Habits: Palm tree relatively fast growing to 50 to 80 feet tall (15-24 m), 10 to 15 feet in diameter (3-4.5 m); crownshaft generally green but occasionally brownish; light gray trunk, enlarged at the base, about 1 foot in diameter (30 cm); bright green pinnate leaves, up to 7 feet long (2 m), with lighter stalk

Watering Needs: Regular to moderate water, tolerates wet areas

Propagation: Seeds


Blooming Habits:
Handsome amethyst to mauve flowers on creamy stalks from below the crownshaft

Fruiting Habits:
Large number of small red fruits, 0.6 inch long (1.5 cm), 0.5 inch in diameter (12 mm).

Culture:
The king palm grows rapidly if provided with water and fertilizer, 1 to 3 feet a year (30 to 90 cm) is not unusual.

Propagation:
The seeds germinate rapidly, and the young palm trees can be grown indoor.


 

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