Ageratum houstonianum

Ageratum houstonianum

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(Ageratum houstonianum)
a-jer-AY-tum hoos-tone-ee-AY-num
Genus:  Ageratum
There are many cultivars available of this fast-growing annual. They are best used as bedding, edging, or container plants. Panicles of blue, pink, purple, or white flowerheads arise from oval, downy leaves in midsummer and continue until frost. They have a soft, fuzzy appearance and attract butterflies.
Noteworthy Characteristics:  Fast grower. Mexican native.
Care:  Grow in full sun to partial shade in fertile, moist but well-drained soil.
Propagation:  Sow seed at 61° to 64° F in early spring.
Problems:  Southern blight, crown rot, root rot. During cool, wet weather Botrytis blight is a problem, while rust can be troublesome during dry summers.

Overview

Height
6 in. to 12 in.
Spread
6 in. to 12 in.
Growth Pace
Fast Grower
Light
Full Sun to Part Shade
Moisture
Medium Moisture
Maintenance
Moderate
Characteristics
Attracts Butterflies,
Showy Flowers
Bloom Time
Early Fall,
Fall,
Summer
Flower Color
Blue Flower,
Pink Flower,
Purple/Lavender Flower,
White Flower
Uses
Beds and Borders,
Container
Seasonal Interest
Summer Interest
Type
Annuals

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