Lobelia siphlitica
Great Blue Lobelia

Lobelia siphlitica, Great Blue Lobelia

Great blue lobelia photo The Great Blue Lobelia, a hardy perennial, boasts large blue flower spikes. Blooming in late summer through September, it offers a refreshing lightness to August. Cultivation is the same as the Cardinal Flower except that it prefers shade. For gardeners that need not worry about cross pollination, a combination of the two lobelias is breath taking.
Grow specs
: 2-3 feet. Average garden soil. Light shade. Medicinal uses include syphilis, general malaise, hard-to-heal sores and induction of sweating and urination.   (Photo © Steven Foster)

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