Psst—these are the best perennials to grow for hummingbirds. Great blue lobelia is cardinal flower’s blue counterpart (Lobelia siphilitica, Zones 4 to 9). The two are very eye-catching when ...

Lobelia erinus, annual John gives a strong vote to two native perennial varieties: great blue lobelia (L. siphilitica) and cardinal flower (L. cardinalis). Annual edging lobelia, a popular ...