Because of its long, perfectly tubular blooms and deep, true-red color, the Cardinal Flower (Lobelia cardinalis) is a top pick for Flowers That Attract Hummingbirds (https://abodelook.com/knowledge-hub/hummingbird-flowers/). Since hummingbirds can readily access the nectar with their long bills, these features are almost exclusively tailored for them. Among hummingbird plants, it is a classic due to its eye-catching appearance.