• 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


July 13
Pasquesi Home & Gardens
Lake Bluff, IL

July 14
Sanger House Gardens
Milwaukee, WI

July 20
Ebert's Greenhouse Village
Ixonia, WI

Learn More

Book an Appearance

Learn More

Win Melinda's Trees and Shrubs DVD set!

ENTER NOW