Lobelia siphilitica, also known as Great Blue Lobelia, is a striking perennial plant that brings a burst of vivid blue color to the garden during the later part of summer and early fall. This plant typically reaches a height of 2 to 3 feet and flourishes in moist to wet soil conditions. It is commonly spotted along stream banks and in wet meadows.
This plant prefers full sun to partial shade and can tolerate occasional flooding. Its tubular blue flowers attract bumblebees and other pollinators and provide late-season nectar. Cold stratification is necessary for successful seed germination.
The Great Blue Lobelia is highly prized for its stunning appearance and significant ecological benefits, making it an excellent option for planting in rain gardens and wetlands. This plant adds vibrant color and visual interest to these areas and plays a crucial role in supporting local biodiversity and maintaining healthy ecosystems.
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