Sun: Full, partial, shade

Moisture: Medium to wet

Height: 3'

Bloom Time: July-September

Bloom Color: Deep blue

Genotype: Superior Township, Washtenaw County


This showy plant produces a tall spire of deep blue tubular flowers, creating a cool, refreshing appearance later in the summer. Like its red cousin, Lobelia cardinalis, it attracts hummingbirds. Tolerates clay soils. Good for rain gardens. The Xerces Society recommends this species as "highly attractive to pollinators" in the Great Lakes region.

Lobelia siphilitica (Great Blue Lobelia)