Lewisia cotyledon
Siskiyou Lewisia
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Siskiyou Lewisia (Lewisia cotyledon) - Description
Lewisia cotyledon is a species of flowering plant in the purslane family known by the common names Siskiyou lewisia and cliff maids. It is native to southern Oregon and northern California, where it grows in rocky subalpine mountain habitat. It is an evergreen perennial growing from a thick taproot and caudex unit.
Siskiyou Lewisia (Lewisia cotyledon) - Blooming
Blooms funnel-shaped flowers in spring and summer. Flowering often occurs over long periods. Deciduous species die down after flowering.
Siskiyou Lewisia (Lewisia cotyledon) - Growth
Provide deciduous species and hybrids with full sun. Evergreens prefer light shade. Protect all species from winter moisture. Also make sure to protect deciduous lewisias from rain in summer when dormant. Grow lewisias in a rock garden, alpine house, or in the crevices of a retaining wall.
Siskiyou Lewisia (Lewisia cotyledon) - Planting
In fall, sow seeds in containers in a cold frame. For evergreen species, remove offsets in early summer.
Siskiyou Lewisia (Lewisia cotyledon) - Pest
Occasionally affected by rust, stem rot, snails, mealybugs, and aphids.
Siskiyou Lewisia (Lewisia cotyledon) - Interesting facts
There are around 20 known species in the genus Lewisia, native to W. North America. Evergreen species are often found among rocks or in crevices, while deciduous lewisias grow in open, stony meadows or grassland.
Siskiyou Lewisia (Lewisia cotyledon) - Soil and irrigation
Does best in sharply draining soil that is moderaterly fertile, humus-rich, and neutral to acidic. If growing Lewisia in an alpine house, use a mix of equal parts loam, leaf mold, and sharp sand.
