The database

Perennials

Herbaceous perennials that return year after year.

1,429 plants

Cardamom

Elettaria Cardamomum

Half · Zones 9–11

Cardinal Columbine

Aquilegia 'Cardinal'

Half · Zones 3–10

Cardinal Flower, Indian Pink

Lobelia Cardinalis

Full · Zones 3–9

Cardoon

Cynara cardunculus

Full · Zones 8–10

Cardwell's Penstemon

Penstemon Cardwellii

Full · Zones 5–8

Carefree Peach Daylily

Hemerocallis 'Carefree Peach'

Full · Zones 5–11

Carl Stonecrop

Sedum 'Carl'

Full · Zones 3–9

Carpet Bugle

Ajuga Reptans

Deep Shade · Zones 6–9

Carpet Bugle

Ajuga 'Blueberry Muffin'

Full · Zones 6–9

Carpet Stonecrop

Sedum Album

Full · Zones 4–9

Cast Iron Plant

Aspidistra Elatior

Deep Shade · Zones 6–8

Catalina Silverlace

Constancea Nevinii

Full · Zones 8–9

Catlin's Giant Bugleweed

Ajuga Reptans 'Catlin's Giant'

Full · Zones 3–9

Catmint

Nepeta X Faassenii

Full · Zones 3–10

Catmint

Nepeta Racemosa 'Little Titch'

Full · Zones 5–8

Catnip Mint

Nepeta Catariensis

Full · Zones 3–8

Cat Thyme

Teucrium Marum

Full · Zones 7–10

Cattleya Orchid Cultivars

Cattleya Cv.

Half · Zones 10–11

Cedros Island Verbena

Verbena Lilacina

Full · Zones 7–10

Celandine Poppy

Stylophorum Diphyllum

Full · Zones 4–9

Celebration Hosta

Hosta 'Celebration'

Deep Shade · Zones 3–10

Cerise Hollyhock

Alcea Rosea 'Cerise' Halo Series

Full · Zones 3–10

Cerise Queen Common Yarrow

Achillea Millefolium 'Cerise Queen'

Full · Zones 4–7

Charles White Peony

Paeonia 'Charles White'

Full · Zones 3–8