Overview

Cypripedium californicum is a orchid in the genus Cypripedium, part of the Orchid family. Cypripedium californicum grows best in partial shade, and tolerates loamy and well-drained soils and neutral to slightly acidic pH. It is native to western United States.

About

Cypripedium californicum is a lady's slipper orchid in the genus Cypripedium, native to the western United States. It is grown for its distinctive slipper-type flower and flowers in late spring to midsummer. In cultivation it prefers partial shade, moist loamy soil and a sheltered, north- or east-facing position.

Wikipedia contributors, CC BY-SA 4.0Cypripedium californicum

About the genus

Cypripedium is a genus of 58 species and nothospecies of hardy orchids; it is one of five genera that together compose the subfamily of lady's slipper orchids (Cypripedioideae). They are widespread across much of the Northern Hemisphere, including most of Europe and Africa (Algeria), Russia, China, Central Asia, Canada the United States, Mexico, and Central America.

Wikipedia contributors, "Cypripedium", CC BY-SA 4.0Cypripedium

In the garden

Cypripedium californicum is a species of lady's slipper orchid from the western United States. As a Cypripedium it belongs to the orchid family and is valued for its spring–summer flowering display; plants produce blooms between May and July. Give this orchid partial shade on a sheltered, north- or east-facing aspect where it will not be exposed to strong sun or drying winds. It prefers loamy, well-drained soil that remains moist and leans neutral to slightly acidic in pH. Planting in a position with steady moisture rather than waterlogging will suit its needs; avoid exposed, south-facing sites. In a UK garden place Cypripedium californicum in a cool, shaded border or a sheltered woodland garden bed where soil remains consistently damp but drains freely. It sits well alongside other shade-tolerant perennials and bulbs in a layered planting scheme. Expect flowers from May to July once plants are established, and protect young crowns from severe exposure while they become settled.

Growing conditions

Best soil and position for Cypripedium

Sunlight
partial shade
Soil type
loamy, well-drained
Soil pH
neutral to slightly acidic
Soil moisture
moist
Aspect
north, east
Exposure
sheltered

Plant details

Cypripedium californicum size, habit and characteristics

Plant type
Orchid
Native to
western United States

Care notes

Pruning and caring for Cypripedium californicum

Propagation
seed, division

Frequently asked questions

Where is the best place to plant Cypripedium californicum?

Cypripedium californicum prefers partial shade. It suits sheltered positions.

What soil does Cypripedium californicum need?

Cypripedium californicum grows best in loamy and well-drained soil. It prefers neutral to slightly acidic soil. Aim for soil that stays moist.

How do I propagate Cypripedium californicum?

Seed, division.

More in the Cypripedium genus

Browse all Cypripedium