Some top leaves have short petioles. During spring, they bloom two-lipped, purple flowers that fade to release seeds in early summer. They're common in disturbed garden soils or mulched tree beds ...

Trifoliate leaves, with long narrow leaflets serrated at the tips. Stipules are large anointed. Flower is commonly purple but may vary among shades of white, yellow and purple. Deep taproot. Hay, ...

How to rid your yard of poison hemlock? If you plan to remove the plant yourself, be sure to wear protective gear – such as goggles, face mask, gloves and a long sleeve shirt – before handling ...

As a result, the purple pigments become more prominent, leading to the discoloration of leaves ... to identify the lacking nutrients and fertilize your houseplants accordingly. Monitor the plant ...

On Molokai, rubber vine escaped cultivation to take over acres of forest in Kamalo. Twenty years later, crews still return to pull up any tiny seedlings and keep this plant under control.

Here are a few of the most garden-worthy ones. Hoary mountain mint (Pycnanthemum incanum) is native from Indiana to the eastern U.S. and has silver-greenish leaves that produce light purple flowers.