Lobelia, Great Blue
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Image courtesy of Jelitto Staudensamen GmbH.

Lobelia siphilitica

  • Spikes of blue flowers in summer.
  • Forms an upright bushy clump.
  • Attracts pollinators.

Average to fertile, moist to wet soil. Sun to pt. shade.

Height: 60cm (2 ft.), Spread: 45cm (18 in.)

Zone 3
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