Lobelia siphilitica

Great Blue Cardinal Lobelia Lobelia syphilitica is a North American native perfect for the late summer to mid-fall garden. Quite architectural it ads a vertical interest to your landscape. Its nectar and pollen attract hummingbirds, bumblebees and long tongued bees. It is exceptionally hardy and requires low care. it works well in beds, borders, wild gardens, woodland gardens, cottage gardens and near ponds and streams.

The specific epithet siphilitica was given by Linnaeus in 1753, from specimens collected in Virginia. As the name suggests, syphilis was among the maladies that Native Americans treated with this plant. This particular medicinal use must have figured prominently in the lore of the time for Linnaeus to have so named it.

Lobelia syphilitica is toxic to dogs, cats & horses.

SPECS: Genus: Lobelia ; Species: Siphilitica; Plant Type: Forb, Wildflower; Life Cycle: Perennial; Sun Exposure: Full Sun, Part Sun; Soil Moisture: Medium Wet, Well Drained; Height: 2′ — 3′; Spread: 2′; Plant Spacing: 1′ — 2′; Bloom Time: August — October; Bloom Color: Blue, Lavender; Advantages: Low maintenance, Showy; USDA Zone: 4 — 9; Attracts: Beneficial insects, Bumblebees, Hummingbird moths, Hummingbirds, Long-tongued bees; Tolerant: Deer, Rabbits; Plant Community: Plants that work well with Lobelia siphilitica: Marsh marigold (Caltha palustris), Bur sedge, Grays sedge (Carex grayi), Palm sedge (Carex muskingumensis, Turtlehead (Chelone glabra), Pink turtlehead (Chelone lyonii 'Hot Lips'), Mistflower, hardy ageratum (Eupatorium coelestinum) & Three-nerved Joe pye (Eupatorium dubium);