Washingtonia robusta
Sonora and Baja Mexico
Not endangered
Full sun
Medium, benefits from abundant watering but can tolerate brief periods of drought
-6 Degrees C
60-100 feet
10-12 feet
Solitary, 10-14 inches in diameter and swollen at the base, grey, texture is smooth and finely ringed with old leaf scars, although in many cases the trunk can be completely covered by the remains old old leaves forming a thatch down to the ground
No
Palmate, up to 3-4 feet wide, bright green with filamentous fibres at the margins, petioles are toothed and up to 3 feet long, old leaves are very persistent and need to be removed - although this is a matter of preference
Small creamy white flowers on branching inflorescences up to 9 feet long, formed from among the leaves
¼ of an inch in diameter, round and blue/black when ripe
Hermaphrodite, self pollinating with one plant
Scales, Homaledra sabalella, Nipaecoccus nipae
Very easily and quickly, up to 1-2 months
Named after George Washington, the first president of the United States
