Botanical Name: Ageratum houstonianum
Common Name: Ageratum, Floss flower  
Plant photo of: Ageratum houstonianum
Previous Photo     Next Photo

Water Saving Tip:

Replace turf with groundcovers, trees, and shrubs. If you have areas where no one uses the grass, patches that do not grow well, or a turf area too small to water without runoff, consider replacing the turf with water-efficient landscaping.

  • Anatomy

  • Culture

  • Design

Plant Type



Height Range

Under 1'


Flower Color

Blue, Pink, White


Flower Season

Summer, Fall


Leaf Color

Green, Light Green


Bark Color



Fruit Color



Fruit Season



Full, Half





Growth Rate

Fast, Moderate


Soil Type

Sandy, Rocky


Soil Condition

Rich, Well-drained


Soil pH

Acid, Neutral


Adverse Factors


Design Styles

Meadow, Mediterranean, Spanish


Accenting Features

Showy Flowers


Seasonal Interest

Summer, Fall


Location Uses

Perennial Border


Special Uses

Container, Cut Flowers


Attracts Wildlife


Information by: Jerry Sortomme
Photographer: Steve Mullany
  • Description

  • Notes

These plants exhibit compact growth to 6", with clusters of fluffy blossoms in white and shades of blue. They require full sun, and will bloom through summer until frost. They can be used for borders, edgings and mass plantings.
For Planting Instructions please refer to the Garden Resources Garden Care Section. Garden Resources can be found on the main menu.