Environment Canada has placed most of Southern Ontario under a Heat Alert for the next few days.  It’s the time of year for sticking poinsettia cuttings, and cuttings of any floral crop are susceptible to extreme temperatures.  Plants are just like people, crank up the heat and they put all their energy into just surviving the conditions, not forcing roots. Stressful conditions at rooting can lead to poor plant quality and cause defects that will be seen later in production like poor branching and leaf deformities. Continue reading “Keep those cuttings cool!” →