Lobelia siphilitica, Blue Cardinal Flower

Blue cardinal flower
Lobelia siphilitica

Hardiness: Zone 4, Zone 5, Zone 6, Zone 7, Zone 8, Zone 9
Plant type: Herbaceous Perennial
Height: 2 to 3 feet
Spread: 1'-1.50'
Sun: Part Shade, Part Sun, Full Sun
Water: Medium, High
Bloom time: July, August, September
Bloom color: Blue
Soil: Moist, organically rich soils, Neutral (≈7), Acid (<7pH).

Other notes: Genus name honors Matthias de l'Obel, French physician and botanist

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