Taw Manroot

Marah watsonii

Native to:
United States
Taw Manroot

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Cucurbitaceae
Genus:
Marah
Species:
Marah watsonii
USDA Symbol:
MAWA2

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, cream

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)

Garden & Ecology Notes

Wildlife Value:
bees, small mammals
Deer Resistant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts vigorously from large tuberous root after fire or top damage. Common in chaparral and coastal scrub fire regimes.

Soil Requirements

Soil Type:
rocky, well-drained, nutrient-poor soil
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to arid regions with sparse vegetation

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Scarification:
Seed coat scarification required before sowing
Germination Time:
30–180 days
Notes:
Large seeds with hard seed coat require scarification. Germination can be erratic; best sown fresh in fall for natural cold stratification.

The above propagation data sourced from Claude AI

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Scarify, then cold-moist stratify for 60 days.

Source: Claude AI