"There are typically some weekly spikes during any given year, but not to this level," Roland J. Fumasi, the vice president and senior analyst for food and agribusiness research at Rabobank told CNBC via email.
The price hikes are down to a combination of a weak Canadian dollar —which has plunged thanks in part to low oil prices that have left the oil exporter hard-hit — and weather conditions that ended the California growing season early, disrupting supply. That happened just as Canada entered into the winter months when it tends to rely more heavily on U.S. produce exports.
However, Fumasi was quick to clarify that prices weren't linked to a California drought as many news organizations have reported.
That, along with Canadians' growing appetite for cauliflower — amid food trends that replace carbs like rice and dough for cauliflower — helped create a supply gap that sent prices to levels that were nearly double what they were a year earlier.
U.S. first-handler, or shipping, prices for cauliflower jumped roughly 140 percent at their peak between September and December, Fumasi explained. But once those costs started translating to higher shelf prices, and restaurant tabs, Canadians took to Twitter to share the shock: