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
Sun Exposure
Full Sun
Height
6-12 in. (15-30 cm)
Spacing
9-12 in. (22-30 cm)
Hardiness
Not Applicable
Danger
N/A
Bloom Color
Pale Yellow
Bright Yellow
Cream/Tan
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Other Details
Category
Alpines and Rock Gardens
Annuals
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color
Bronze
Where to Grow
Bloom Characteristics
Flowers are fragrant
Bloom Size
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
Regional

This plant is said to grow outdoors in the following regions:

Concord, California

Richmond, California

San Jose, California

San Mateo, California

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Gardener's Notes:

1
positive
1
neutral
0
negative
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M
San Pedro, CA (Zone 10b) | March 2008 | positive

bought this plant from a plant sale in January 2008, bloomed late winter in pot and finished blooming a couple weeks ago

S
S
(Zone 8b) | March 2005 | neutral

Seeds should be sown in situ...don 't like to be transplanted.

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