Plants May 11, 2007 9:13:48 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Jacinta on May 11, 2007 9:13:48 GMT -5 This is one of the best mini-units I have found in a while about covering plants.www.utextension.utk.edu/publications/pbfiles/PB1678_ch2.pdf