Zones:

Usually grown as an annual; perennial in Zones 10-11.

Height/Spread:

4 to 36 inches tall, 6 to 18 inches wide.

Exposure:

Full sun to partial shade. Ageratum plants will flower best in full sun; too much shade can result in less blooms and leggy plants. In hotter regions, plants benefit from afternoon shade.

Bloom time:

From late spring to frost.

Color and characteristics:

Also known as floss flower for its floss-like petals, the tiny blooms resemble fluffy pompoms. Flowers are produced in dense clusters in colors of blue, purple, red, white, or pink. Leaves are medium green and oval or lance-shaped. Plant habit ranges from short and densely compact to upright and loose.

Toxicity:

Ageratum can be toxic to grazing animals, causing liver lesions. All parts of the plant are poisonous and may be harmful to pets or humans if ingested. Call poison control or your local veterinarian for advice if necessary