FASCINATION ABOUT ARE MILKWEEDS PERENNIALS OR ANNUALS?

, that are root colonies. What this means is you'll be able to increase Common Milkweed in your yard by directly sowing seeds or planting cuttings from an present plant.I dug up alot of them last 12 months, bur they keep showing up almost everywhere in my flower mattress. HOW I do I get them entirely outside of my flower beds?Butterfly Weed is an e