Lobelia, Great Blue

Great Blue Lobelia (Lobelia siphilitica)

Great Blue Lobelia is a striking native perennial known for its tall spikes of vivid blue flowers that bloom from late summer into fall. This plant thrives in moist environments and is a favorite among pollinators, adding vibrant color to wetlands, rain gardens, and shady areas of your landscape.

Key Characteristics:

• Ecological Benefits: The tubular flowers of Great Blue Lobelia are a rich nectar source for hummingbirds, bumblebees, and butterflies. It's especially beneficial to long-tongued pollinators like the Ruby-throated Hummingbird and the Giant Swallowtail butterfly.
• Wildlife Habitat: In addition to supporting pollinators, Great Blue Lobelia provides habitat for beneficial insects and helps stabilize soil in wet areas, making it useful for preventing erosion along streambanks.
• Landscape Uses: This plant is ideal for rain gardens, wet meadows, streambank restoration, and woodland edges. It thrives in moist soils and can handle partial shade, making it a great choice for areas that need color in lower light.
• Low Maintenance: While it prefers moist soils, Great Blue Lobelia is adaptable and can tolerate short periods of drought once established. It's a hardy and easy-to-grow plant that requires little care.

Product Details:

• Native range: Eastern and Central North America
• Plant life cycle: Perennial
• Sun requirements: Full sun to part shade
• Soil requirements: Moist to wet soils; tolerates clay
• Mature height: 2 to 3 feet
• Bloom time: Late summer to early fall
• Bloom color: Deep blue
• USDA Hardiness zones: 4-9

Great Blue Lobelia brings beautiful color and essential pollinator support to damp areas of your garden. Its easy-care nature and ecological benefits make it a perfect choice for gardeners looking to enhance biodiversity in moist, shaded, or wetland spaces.