Ageratum

Common Name: Ageratum
Scientific Name Genus: Ageratum
Family Name: Asteraceae

Cultural Comments

Ageratum is prized for its blue flowers and is one of best blue-flowered annuals available. Ageratum performs best in the late spring and early summer and in the early fall. Some varieties have more heat tolerance especially the vegetatively propagated types.

Life Cycle

Annual reproducing from seed.

Growth Habit

dense, compact mounds to 12” tall
Ageratum Plant Habit Growth

Leaves

opposite, ovate, cordate base, petioled, margins crenate-serrate.

Flowers

heads forming dense, nearly flat-topped, clusters of small (1/4”dia.) blue, white or pink flowers.
Ageratum Flowers

Bloom Time

June – September

Propagation Method

Seed or Vegetative

Varieties or Cultivars

Hawaii Blue

Landscape Uses

bedding; edging; foreground; containers.
Ageratum is a good blue-flowered annual. It blooms best when the nights are cool – spring and fall. There are also tall varieties used as cut flowers.