Plants that bloom in March in Zone 7 with red flowers

Anemone de Caen

Poppy-like flowers in jewel tones bloom in mid-spring over ferny foliage.

Camellia

Glossy evergreen with rose-like blooms in the depths of winter.

Red Flowering Currant

Among the first shrubs to bloom in Pacific Northwest gardens, dripping with rosy-pink racemes that hummingbirds arrive for before anything else has opened.

Tulip

The classic spring icon in almost every color imaginable.

Witch Hazel

Spidery, fragrant blooms on bare branches when nothing else dares.