Ageratum, Flossflower, Mexican Ageratum

Ageratum houstonianum
Ageratum410px.jpg

Botanical Name

Ageratum houstonianum

Hardiness

Half hardy annual

Height

6 to 15 inches

Width

6 to 12 inches

Flowers

Summer till frost: blue, lavender, white, pink

Light

Part shade to full sun

Soil

Well-drained

Planting and Care

Space compact plants 6 inches apart, taller varieties 9 inches apart

Problems

Powdery mildew in excess shade, root rot in poorly drained soils

Varieties to Consider

'Hawaii' Series - 6" compact; flowers of blue, royal blue, and white
'Blue Danube' - 7" and uniform
'Swing Pink' - 6-8" pink
'Blue Horizon' - 18", weather resistant flowers, long stems good for cutting
'LeiLani Blue' - 14-16" by 12"
'High Tide' - 24", dense, self cleaning

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