Hairy Leafcup

Clusters of yellow, daisy-like flowers with 8-15 petals. The plant is large, growing up to 10 feet tall. The leaves are also large, up to 14 inches long.

Hairy Sunflower

Yellow daisy-like flowers with 10-15 petals. The hairy leaves have stalks.

Heal-All

Small bluish to lavender or white flowers in a cylinder-shaped head. The flower is tubular with a hooded upper lip. The lower lip is fringed and has 3 lobes.

Heartleaf Pickerelweed

Bright lavender-blue tubular flowers in a dense spike up to 5 inches long. Flowers bloom from the bottom up.

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.