Lobelia

Many species contain lobeline , a substance with nervous system effects similar to nicotine.

Flowers are typically two-lipped, featuring three lower spreading petals and two smaller upper petals. Colors vary widely, including shades of blue, purple, red, pink, and white.

Most lobelias thrive in full sun to partial shade and prefer consistently moist, rich soil. lobelia

Typically grown from tiny seeds, which require light to germinate and should not be covered deeply. Indoor sowing usually starts 8–10 weeks before the last frost.

Annual with small blue flowers and inflated seedpods; historical medicinal use. Devil's Tobacco Many species contain lobeline , a substance with

Historically used as an emetic (to induce vomiting) and for respiratory issues like asthma or to aid in smoking cessation.

Popular half-hardy annual with blue, trailing flowers; ideal for containers. Cardinal Flower Most lobelias thrive in full sun to partial

Native North American perennial with vibrant red flower spikes; attracts hummingbirds. Great Blue Lobelia