They are most likely hardier than Washingtonia filifera although they are only found endemic just south of the border of Mexico and the USA, while W. filifera are found naturally as far north as Moapa Nevada in groves as large as 3500 trees. The author has seen blue palms take frosts which have killed Washingtonia palms in the same area indicating that the frost sensitivity data often given for this species may be incorrect. Slower growing than Washingtonia, but NOT as slow growing as some of the information out there indicates. A very Beautiful palm - especially when young. Treat it as a bush.
Leaves are large even on young plants.
The fruit is said to be delicious. Mexican Blue Fan in inflorescence in habitat in Baja. Butia capitata or Jelly palm also called Pindo palm. Canary Island date palms also known as Phoenix canariensis . Mediterranean fan palm shown as chamaerops humilis.