There was an article on how to do tissue culture with cauliflower in The AmericanBioloby Teacher 50:(3) March 1988. I use it every year and it works pretty well. The difference in growth with hormone and without is not always dramatic tho. Jan Phelps Jan Phelps UWC-Baraboo 1006 Connie Road Baraboo, Wi 53913 jphelps at uwcmail.uwc.edu