Genus: Ageratum
Species houstonianum
Common Name: Floss Flower
Family: Asteraceae
Order: Asterales
Native: Mexico and Central America
Habit: Annual
Height: 0.5 to 3 feet
Width: 0.5 to 1.5 feet
Flowering Season: Late Spring to Summer
Flower Color: Blue, pink, lavender or white
Propagation: Seed
Note: This annual with it's fluff forming flowers (disk
flowers) is suitable for borders, widow boxes, edging and carpeting flower
beds. Taller cultivars may be used as cut flowers. Spent flowers should
be pinched regularly. This plant is susceptible to powdery mildew, aphids,
whiteflies and rot root. Prefers sunny, moist, well-drained, organic-rich
soil.