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Lobelia siphilitica

Great Blue Lobelia

Tubular, two-lipped flower spikes of clear blue provide outstanding colour in the perennial border.

  • »  Spikes of clear-blue flowers on unbranched stems
  • »  Tubular flowers are two-lipped
  • »  Finely toothed, oblong, green leaves
  • »  Attracts butterflies and hummingbirds
  • »  Bloom Time: July to September
  • »  Flower Height: 110 cm
  • »  Foliage Height: 60 cm

Plug50
$6.83
1 Litre
$17.33
1gal
$20.83
  • Category:Perennials
  • Hardiness Zone:4
  • Height:50-60 cm
  • Spread:45-60 cm
  • Bloom Color: Blue
Exposure
• Full Sun
• Partial Sun/Shade
Soil Moisture
• Moist to Wet Soils
• Moist to Average
Attracts Wildlife
• Attracts Butterflies
• Attracts Hummingbirds
Growth Rate
• Fast
• Medium
Critter
• Deer Resistant
• Rabbit Resistant
Attributes
• Native to Ontario
• Cut Flower/Foliage
• Poisonous
Flowering Time
• Summer
Habit
• Clumping
• Upright
Foliage Color
• Green
Landscape uses
• Bog or water garden
• Naturalizing
• Woodland/woods edge
Planting instructions
• Container Plants
Additional Information about Lobelia siphilitica

Native to Ontario

 

All parts of this plant are TOXIC.

Growing & Maintenance Tips for Lobelia siphilitica

Showy blooms flourish in a moist soil with filtered shade, adapting to drier conditions with more shade. May self-seed under optimum conditions.