The Canary Island date palm (Phoenix canariensis) is a large palm tree that reaches a height of 40 to 60 feet and a spread of 20 to 25 feet. This date palm is best grown in tropical and subtropical climates, where minimum winter temperatures stay warmer than 25 degrees F. Canary Island date palms can be container-grown in colder climates. This palm has spiny, feather-like leaves and a heavy trunk. The Canary Island date palm enjoys high humidity and average daytime temperatures between 60 and 85 degrees.
Spread a 2-to-3-inch layer of bark mulch on the ground covering the root area of your Canary Island date palm. The mulch will help to keep weeds at bay and retain soil moisture.
Water your date palm deeply every day for the first two weeks after planting, and then gradually reduce watering to twice a week during the first two months. Afterward, water your palm deeply to soak the soil down to the roots two or three times each week during the growing season to supplement rainfall and once or twice each month during the winter.
Feed your Canary Island date palm once in the spring, once in the summer and again in early fall. Apply a complete slow-release palm tree fertilizer according to the instructions on the package.
Prune away all dead or older fronds from your date palm. Cut away only dead, brown fronds, making your pruning cuts about 3 to 6 inches from the trunk.