• slide
  • slide
  • slide
  • slide
  • slide
  • slide
  • slide
  • slide
  • slide

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

Related Content

Upcoming Appearances

 
Jan. 20, 2021
Growing Herbs Indoors
Webinar

Register today

Jan. 27, 2021
Low Maintenance Houseplants
for Low Light Situations
Webinar

Register today

Feb. 3, 2021
Organic Control for 
Houseplant Pests
Webinar

Register today

Plus, you can watch Melinda's past webinars on demand for a limited time.

Learn More

Book an Appearance

Learn More

Win The Great Courses' Container Gardening Tips & Techniques DVD set

ENTER NOW