Cypripedium parviflorum
North American native perennial orchid that grows from rhizomes, has distinctive yellow slipper-shaped flowers, typically goes dormant in winter, and thrives in temperate climates.
Common Names
Yellow Lady's Slipper, Moccasin Flower, Small Yellow Lady's Slipper
Summary
Cypripedium parviflorum is a North American orchid, a rhizomatous geophyte native from Yukon to Newfoundland, occurring in moist calcareous woodlands, damp forests, bogs, fens, and along streams, it forms multi-stemmed clumps 15 to 40 cm tall with 3 to 6 hairy leaves per stem, and bears 1 to 2 yellow flowers with a pouch-like labellum that has reddish interior spots, the petals and sepals are burgundy and twisted outward, producing a distinctive slipper orchid appearance, with a fragrance reminiscent of apricots during bloom, it is relatively easy to grow in gardens when provided with partial shade and evenly moist loamy soil that drains well, roots should be placed near the soil surface and covered with compost, using a light mulch that does not touch stems, propagation is by division in early spring or late fall, ensuring each division carries at least one healthy shoot, and the plant tends to form colonies over time, bees pollinate the flowers, while deer may damage the plant, it suits native woodland, cottage, and informal garden settings, as well as patios and container plantings, in temperate regions, with care to avoid winter wet
Lifecycle
Perennial
Height
10-12 inches
Spread
10-14 inches
Hardiness Zones
Zones 4-8
Sunlight Requirements
Partial Shade to Full Sun, tolerates Partial Sun
Soil Type
Moist, loamy soil with high organic matter and good drainage
Soil Drainage
Well-drained soil that stays evenly moist but not waterlogged.
Soil pH
6.0-6.5, Slightly acidic, Prefers acidic woodland loam
Bloom Color
Yellow
Bloom Time
Spring to Summer
Foliage Color
Green
Leaf Lifecycle
Deciduous
Growth Rate
Not provided, trend data largely unavailable, rapid multiplication
Seasons of Interest
Spring and Summer
Propagation Methods
Seeds, Division
Attracts Wildlife
Attracts bees and other pollinators
Taxonomy
- Taxonomic Rank
- Species
- Author
- Salisb.
- Publication
- Trans. Linn. Soc. London 1: 77 (1791)
Superior Taxa
- Kingdom
- Plantae
- Subkingdom
- Pteridobiotina
- Phylum
- Angiosperms
- Order
- Asparagales
- Family
- Orchidaceae
- Genus
- Cypripedium
Inferior Taxa
Cypripedium parviflorum var. parviflorum Cypripedium parviflorum var. makasin Cypripedium parviflorum var. pubescens Cypripedium parviflorum var. exiliens
Synonyms
Calceolus parviflorus Cypripedium bulbosum var. parviflorum Cypripedium calceolus subsp. parviflorum Cypripedium hirutum var. parviflorum Criosanthes parviflora Cypripedium calceolus var. parviflorum Cypripedium luteum var. parviflorum