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 ...

We eat and drink with our eyes, so when you see the vibrant butterfly pea flower tea, you'll certainly want to take a sip. This unique flower, native to Southeast Asia, changes from a deep blue to ...