Purple deadknettle produces small purple flowers and jagged, heart-shaped leaves that emerge from a single, central stem. Part of the mint family, it is a low-growing plant of 2 to 8 inches.

Queen Anne's lace has a small purple flower in the center of the cluster of blooms, while all blooms are white on poison hemlock. Two more differences can be noted on the stems.

Trees provide essential structure while adding their own unique beauty to the landscape. Discover gorgeous flowering trees ...

The flowers can vary from pink, to red, to white. It's cultivated in warm climates around the world, and is native to Southeast Asia and India. USDA Growing Zones: 7-9.

The Tarleton Iris stands out as one of the many unique, and, let's be honest, peculiar traditions of the small Central Texas university. The purple and white flower shares a similar story to that ...