slipper flower
Calceolaria crenatiflora
RHS AGM 2021
USDA zones9 to 11
SunNeeds partial sun (4 to 6 hours)
WaterHandles moderate to moist soil
Size4 to 20 inches tall4 to 20 inches wide
- Growth rate
- Moderate
- Habit
- Dense
- Bloom season
- Spring, summer, autumn
- Bloom color
- Brown/copper, yellow, orange, pink, red
- Foliage color
- Green
- Soil types
- Sand, loam
Garden uses
Notes
Slipper flower (Calceolaria crenatiflora) is a perennial for borders, containers, and cottage gardens. It grows outdoors year-round in USDA zone 9 and warmer, down to about 20°F (-7°C). In colder areas, grow it as a houseplant or bring it indoors for winter. This plant likes part sun and average to moist, sandy or loamy soil. Its pouch-shaped blooms come in brown, copper, yellow, orange, pink, and red. They appear in spring, summer, and autumn on dense, green plants.
Pairs well with Curly Fries hosta, Evergold sedge, and Green Mountain buxus.
Native range
North America, Central America, South America, Caribbean, and 1 more places. See all 5
North America, Central America, South America, Caribbean, and French Guiana.