Cool Cat Catmint

Cool It Daylily

Copper Curls Pekin Lilac

Coppertina Ninebark

Cora Canna

Coral Beauty Cotoneaster

Coral Reef Coneflower

Coralburst Flowering Crab

Corsica Lily

Country and Western Astilbe

Country Dancer Rose

Coyote Willow

Crater Lake Blue Speedwell

Crazy Daisy Shasta Daisy

Creeping Arctic Willow

Creeping Blue Spruce

Creeping Norway Spruce*

Creme de Cassis Hollyhock

Crimson Pixie Lily

Crimson Star Columbine