Henbit

Tubular flowers split into 2 lips. The upper lip is hooded and hairy. The lower, drooping lip has 3 lobes and purple spots. 6-10 flowers cluster at the top of the stem.

Hollow Joe-Pye-Weed

Clusters of light purple to pink flowers on a stem with a white, waxy coating.

Hop Clover

Half-inch yellow flower heads with 20-30 tiny, pea-shaped flowers.

Japanese Honeysuckle

The 2-lipped flowers have 5 petals joined into a 1- to 2-inch long tube. The flowers are paired and supported by two leafy bracts.

Japanese Mazus

Pale purple flowers with two lips. The lower lip is longer and has 3 lobes. It is white with yellow spots. The upper lip is darker purple.

Kidneyleaf Rosinweed

Clusters of yellow flowers with 6-12 petals. The kidney-shaped leaves grow up to 14 inches long and are at the base of the plant.

Kudzu

Aggressive, twining vine with fragrant magenta flowers. The cluster of flowers opens from bottom to top.