Rock Creek Broomrape

Orobanche valida

Native to:
United States
Rock Creek Broomrape

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Orobanchaceae
Genus:
Orobanche
Species:
Orobanche valida
USDA Symbol:
ORVA

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb
Height:
35 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
apr,may,jun,jul
Bloom Colors:
purple, violet, yellow

Garden & Ecology Notes

Deer Resistant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Host plants in chaparral and coastal sage scrub are fire-adapted; Orobanche may recolonize post-fire as hosts regenerate.

Soil Requirements

Soil Type:
rocky, well-drained, nutrient-poor soil
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
parasitic plant, depends on host species

Propagation & Germination

Notes:
Parasitic plant; seeds require chemical signals from host roots (typically shrubs in Asteraceae or Lamiaceae) to germinate.

The above propagation data sourced from Claude AI