Plant FinderPlant Finder Graphic
Glaucium corniculatum (photo courtesy of Annie’s Annuals & Perennials)
Glaucium corniculatum (photo courtesy of Annie’s Annuals & Perennials)

Click to Enlarge

Zone
Zones 2-24, 31-43
Full Sun
Full
Regular Water
Moderate
Toxicity
Roots are poisonous if ingested.

Glaucium corniculatum

Red Horned Poppy
Papaveraceae
Annuals

From Europe and southwest Asia. Grows to 1–1 1/2 ft. high and as wide. Gray-green leaves are lobed or finely cut. Cup-shaped, four-petaled, 2-in. orange-red flowers are individually short-lived, but they keep coming during the summer bloom season. Flowers are followed by unusually long (to 1 ft.), slender seed capsules.

You Might Also Like...

Prunella

Native to Europe. Creeping perennials that spread by surface and underground runners to form low, dens...

Aster novi-belgii

Native to eastern North America. To 4 ft. tall, 3 ft. wide, with full clusters of bright blue-violet f...

Akebia quinata

Native to Japan, China, and Korea. Twines to 15–30 ft. Grows fast in mild regions, more slowly w...

Find Your Sunset Climate Zone

Find Your Sunset Climate Zone

View Maps Learn More

Advertisement