Sierra Manroot
Marah horridus
- Native to:
- United States
Benny White


Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Cucurbitaceae
- Genus:
- Marah (Kellogg | - m)
- Species:
- Marah horridus
- USDA Symbol:
- MAHO
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb , Vine
- Height:
- 600 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- mar,apr,may
- Bloom Colors:
- white
Garden & Ecology Notes
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Seeds may germinate after fire; resprouts from root crown.
Soil Requirements
- Soil Type:
- rocky, well-drained, nutrient-poor soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to arid regions, prefers dry conditions
Propagation & Germination
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 60 days.
Source: Claude AI