Ageratum
- 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 & 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
- 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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