The Canary Island date palm (Phoenix canariensis) is a beautiful tree, native to the warm Canary Islands. You can consider planting a Canary Island date palm outdoors in zones 9-11. In cooler climates they make Great Indoor Plants as they can get huge in small containers like the one in picture #5 making them able to grow great anywhere. If you are dreaming of Canary palm trees growing in your backyard, you’ll need lots of room. Information on Canary date palms lists these trees as growing up to 65 feet tall with a potential spread of 40 feet. However, planting a Canary Island date palm is not entirely out of the question indoors, or if you have a small backyard. Canary palm trees growing speed is slow, and your specimen will only get to 10 feet tall during its first 15 years in the backyard. Canary date palms notes the long leaves of the species from 8 to 20 feet long and the extremely sharp spines at the frond base. The trunk can grow to 4 feet in diameter. Small white or gray blossoms produce showy ornamental date-like fruits in the summer.