http://www.frenchgardening.com/aujardin ... 4471938417
Prune perennials now for more flowers later.
http://www.videojug.com/film/how-to-pru ... -in-spring
How To Prune Herbaceous Perennials In Spring
This video will show you what a leaf node looks like.
http://www.gardenguides.com/96554-care- ... lants.html
How to Take Care of Milkweed Plants
Just read an article that suggested leaving 4 sets of leaf nodes and prune above those.