Alluring, like sirens, some vicious weeds produce beautiful flowers in calming purple hues. Here are the problematic blossoms ...

It spreads through extensive root systems. A perennial with heart-shaped leaves and deep purple flowers ... white to purplish flowers followed by dark berries. It's often found in disturbed areas.

Its incredible dark purple leaves and vining form make it an eye ... spot in your home (although not direct sunlight), and watch for roots to develop in about two weeks. Then plant in regular potting ...

This variety blooms in September and October with dark-purple, daisy-like flowers that can almost completely ... damp the first season to establish the roots, then water is usually not needed.