Creamcups

Platystemon californicus

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Papaveraceae
Genus:
Platystemon
Species:
Platystemon californicus

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb
Height:
1-2 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
mar, apr, may
Bloom Colors:
White, Yellow
Ground Cover:
Yes

Native Range

United States: Arizona, California, District of Columbia, Oregon, Utah

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
thrives in open, sunny areas

Germination Information

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).

Source: OpenAI GPT-4o