University of Illinois Extension
Directory of Annuals - Gardening with Annuals - University of Illinois Extension

Directory of Annuals

Lobelia
Lobelia erinus


Quick Profile

Exposure
Full Sun
Partial Sun/Shade
 
Mature Height
6 - 12 Inches
 
Soil Conditions
Moist, Well-Drained
 
Bloom Color
Bi-color
Blue
Purple
White
 
Bloom Season
June - October
 
Hardiness
Hardy Annual
 
Size
Small
 

Features

A useful annual for the rock garden, containers, hanging baskets or as an edging in the border.

Culture

Sun to shade in moist well-drained soil

Cultivars

Upright Types

  • ‘Palace’ series
  • ‘Riviera’ series
  • ‘Crystal Palace’
  • ‘Rosamund’
  • ‘White Lady’

Trailing Types

  • ‘Fountain’ series
  • ‘Regatta’ series
  • ‘Sapphire Pendula’ 

Notes

Lobelia often does better in the cooler weather and often goes out of bloom when it gets hot. Look for heat tolerant cultivars. Shear back after first bloom, fertilize and water to maintain flowering in the summer.