Platystemon Species, California Creamcups, Cream Cups
Platystemoncalifornicus

Family: Papaveraceae (pa-pav-er-AY-see-ee)
Genus: Platystemon (plat-ee-STEE-mon)
Species: californicus (kal-ih-FOR-nik-us)

Synonym:Boothia californica

Category
Alpines and Rock Gardens
Annuals

Water Requirements
Drought-tolerant; suitable for xeriscaping

Sun Exposure
Full Sun

Foliage

Foliage Color
Bronze

Height
6-12 in. (15-30 cm)

Spacing
9-12 in. (22-30 cm)

Hardiness
Not Applicable

Where to Grow

Danger
N/A

Bloom Color
Pale Yellow
Bright Yellow
Cream/Tan

Bloom Characteristics
Flowers are fragrant

Bloom Size

Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall

Other details
May be a noxious weed or invasive

Soil pH requirements
6.6 to 7.5 (neutral)

Patent Information

Propagation Methods
From seed; direct sow outdoors in fall
From seed; direct sow after last frost
Self-sows freely; deadhead if you do not want volunteer seedlings next season

Seed Collecting
Allow pods to dry on plant; break open to collect seeds