• slide
  • 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 Appearances


July 24, 2021
Lake Country Art & Garden Tour
In-person event

July 28, 2021
Rain Garden Maintenance
Webinar

Aug. 5-15, 2021
Wisconsin State Fair
In-person event

Register today! Plus, watch Melinda's past webinars ON DEMAND
for a limited time.

Learn More

Book an Appearance

Learn More

Enter to win 3 bags of Wool Pellets and reduce watering by up to 25%!

ENTER NOW