With its tall spikes of vibrant blue flowers, Great Blue Lobelia brings bold color and vertical interest to late-summer gardens. Blooming from August into fall, this moisture-loving native perennial grows 2–4 feet tall and thrives in wet to average soils, making it perfect for rain gardens, pond edges, and shady borders.
Adapted to Northern Michigan (Zone 5a), it does best in full sun to part shade and attracts bumblebees, butterflies, and hummingbirds with its tubular blooms. Great Blue Lobelia pairs beautifully with other wetland natives and provides important late-season nectar for pollinators.
Bloom Time: Late summer to early fall
Sun: Full sun to part shade
Height: 2–4 ft
Soil: Moist to average, prefers rich, well-drained soil
Wildlife: Attracts bumblebees, butterflies, and hummingbirds
Uses: Rain gardens, wet meadows, borders, woodland edges, pollinator plantings
With its tall spikes of vibrant blue flowers, Great Blue Lobelia brings bold color and vertical interest to late-summer gardens. Blooming from August into fall, this moisture-loving native perennial grows 2–4 feet tall and thrives in wet to average soils, making it perfect for rain gardens, pond edges, and shady borders.
Adapted to Northern Michigan (Zone 5a), it does best in full sun to part shade and attracts bumblebees, butterflies, and hummingbirds with its tubular blooms. Great Blue Lobelia pairs beautifully with other wetland natives and provides important late-season nectar for pollinators.
Bloom Time: Late summer to early fall
Sun: Full sun to part shade
Height: 2–4 ft
Soil: Moist to average, prefers rich, well-drained soil
Wildlife: Attracts bumblebees, butterflies, and hummingbirds
Uses: Rain gardens, wet meadows, borders, woodland edges, pollinator plantings
