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

Great Blue Lobelia

Botanical Name
Lobelia siphilitica
Min Zone
4
Max Zone
9
Height
2 to 3 feet
Width
12 to 18 inches
Flowers
July to September: raceme of 2-lipped light to dark blue held atop sturdy stems
Light
Full sun to part shade
Soil
Moist to wet
Planting & Care
  • Needs constant, consistent moisture
  • Benefits from part shade in hot climates
  • Divide in spring
  • May self seed in optimum conditions
  • Excellent for naturalizing along streams, banks, swamps and low wooded areas
Problems
None serious
Varieties
  • Alba - white flowers

Upcoming Appearances


Oct. 23, 2021
San Diego Fall Home & Garden Show
Del Mar, CA

Oct. 27, 2021
Pruning Tips for Shrubs
Webinar

Nov. 13, 2021
Holiday Specialties at Ebert's
Ixonia, WI

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

Learn More

Book an Appearance

Learn More

Enter to win a $150
Corona Tools Gift Card

ENTER NOW