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Colorful lobelias are a wonderful choice for landscaping around ponds and streams -- anywhere the soil is consistently moist. In fact, lobelia even loves downright wet conditions, making it a top choice for bog gardens.
Perennial type of lobelia (not to be confused with the low-growing, often blue annual types) are magnets for hummingbirds, so they're great for wildlife gardens. The foliage is a handsome rich green to sometimes dark reddish purple. The plant produces striking spikes of flowers in all shades of red, pink, blue, and white. Lobelia needs humus-rich soil. Mulch with a biodegradable material, such as wood bark or chopped leaves, to add humus to the soil.