I have several blackberry lily's and I don't know what needs to be done to prepare them for winter. do I prune them, chop them down, how much do you prune or cut or leave.
flowers: annuals and herbaceous perennials
Contact: Taun Beddes Horticulture Faculty Phone: (435) 752-6263 Email: firstname.lastname@example.org
Replied September 22, 2014, 11:46 AM EDT