Data provided by the participants of the Consortium of California Herbaria

View additional distribution information on the Jepson eflora

Clarkia concinna is a species of wildflower in the Onagraceae (Evening Primrose) family known as Red Ribbons. It is endemic to California, where it can be found in the northern Coast Ranges from Santa Clara County to Humboldt County, and in the Sierra foothills. This is an annual plant with erect, herbaceous stems. The distinctive flowers have four looping sepals of red or dark pink which look like loops of silk ribbon. The longer, pink petals have three lobes which are usually streaked with white.

Plant type

Annual herb

Size

1 ft Tall
1 ft Wide

Calscape icon
Color

Pink, Purple, White, Red

Flowering season

Spring, Summer

Sun

Full Sun, Partial Shade

Water

Very Low

Summer irrigation

Max 1x / month once established

Ease of care

Moderate

Cold tolerance

Tolerates cold to 15° F

Soil drainage

Fast

Soil description

Reportedly does not do well in clay.

Propagation

Sow seeds in late summer to fall and do not thin seedlings. Crowding appears to encourage more blooms.

Sunset Zones

7, 8, 9, 14, 15*, 16*, 17*, 19, 20, 21, 22, 23, 24*

Site type

Relatively dry, wooded foothills and mountains to 4, 000 ft.

Plant communities

Douglas-Fir Forest, Mixed Evergreen Forest, Northern Oak Woodland

Use with other annuals or herbaceous perennials such as Snapdragon (Antirrhinum spp.), Sitka Columbine (Aquilegia formosa), Milkweed (Asclepias spp.), Chinese Houses (Collinsia heterophylla), Western Wallflower (Erysimum capitatum), Poppy (Eschscholzia spp.), Blue Field Gilia (Gilia capitata); with geophytes such as onion (Allium spp.), Mariposa Lily (Calochortus spp.); and with small succulents such as Dudleya spp.

Bees
Caterpillars
Butterflies

Butterflies and moths supported

0 confirmed and 5 likely

Confirmed Likely

Aetole extraneella

Mariposa Forester

Alypia mariposa

Clark's Day Sphinx Moth

Proserpinus clarkiae