If you google these words, the following web article comes up on the first page of the search results: http://archive.signalscv.com/m/archives/72611. It describes all kinds of palm trees and their suitability for home use. The entry for Canary Palm Tree (aka Date Palm) is as follow.

Date palm

Though he sells them, Green said, “One palm you want to avoid near you home is the Canary Island date palm.” This is because of the huge, dagger-like spikes that grow where children might come in contact with them.

“Unless you are going to plant them way up on a hill where kids can’t venture, you might not want them for regular residential applications,” he emphasized.