 | Great Blue Lobelia Seeds (Lobelia siphilitica). Great Blue Lobelia has been grown in American flower gardens since at least the beginning of the 19th century, and many Native American tribes used this native wildflower for a variety of medicinal purposes. It produces elegant spires of blue flowers in mid to late summer. Bees, butterflies, and hummingbirds are attracted to the tubular flowers, but deer typically avoid this plant.Sow seeds indoors 8-12 weeks before last frost date at 70 degrees F. To improve germination,... - Great Blue Lobelia Seeds (Lobelia siphilitica). |
