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Edging Lobelia Wikimedia Commons
Campanulaceae

Edging Lobelia

Lobelia erinus

Distinction, generous spirit, malevolence (historical).

Family
Campanulaceae
Genus
Lobelia
Native to
Southern Africa
Bloom season
Spring, Summer, Fall
Type
Annual or tender perennial
Height
10–25 cm
Sunlight
Full sun to part shade
Soil
Rich, moist, well-drained
Water
Moderate to high
Hardiness
Annual everywhere; perennial in 10–11
Lifespan
One season

Did you know

  • Lobelia produces some of the truest, deepest blues in the plant world — a color almost impossible to capture in photographs.
  • The genus is named for Matthias de l'Obel, a 16th-century Flemish botanist and personal physician to King James I.
  • Cardinal flower (Lobelia cardinalis), a much taller red North American cousin, has flowers shaped specifically to be pollinated by ruffed-throat hummingbirds.
  • Some Lobelia species contain lobeline, an alkaloid once used in nicotine substitutes and respiratory medicines.
  • Trailing varieties cascade dramatically over hanging baskets, sending out waterfalls of cobalt or violet flowers all summer.

Color meanings

Blue

Dignity

Uses

  • Hanging baskets
  • Edging
  • Container fillers
  • Pollinator gardens