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

Cosmos

Botanical Name
Cosmos bipinnatus
Hardiness
Half hardy annual
Height
12 to 72 inches
Width
12 to 24 inches
Flowers
Summer till frost: red, rose, pink, purple
Light
Full sun
Soil
Well-drained
Planting & Care
  • Space plants 12 inches apart
  • Avoid over fertilizing - results in no blooms and floppy plants
  • Heat and drought tolerant
Problems
Aphids, bacterial wilt, aster yellows, Japanese beetles
Varieties
  • Sea Shells - fluted petals, 36"
  • Sonota - dwarf, 20"

Related Content

Upcoming Webinars & Appearances


Feb. 4, 2023
WCBA's Home Building &
Remodeling EXPO

West Bend, WI
 

Feb. 10-12, 2023
PBS Wisconsin
Garden & Landscape EXPO

Madison, WI

June 3 – 11, 2023
“Castles & Gardens” Adventure in Ireland with Melinda Myers
Includes the Bloom Festival in Dublin!

CLICK HERE for more information on Melinda's 2022 Wisconsin State Fair presentations on
Affordable Food Gardening 

CLICK HERE for pollinator gardening webinars, videos & DIY projects

Watch Melinda's past webinars ON DEMAND

Learn More

Book an Appearance

Learn More

Enter to Win
Melinda's Food Gardening for Everyone DVD set!

ENTER NOW