Taw Manroot (Marah Watsonii) is a perennial vine in the Cucurbitaceae family with moderate care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 9-11. This plant is toxic to cats and dogs — keep it out of reach of pets.

Marah watsonii is a perennial herbaceous vine endemic to central northern California, known for its sprawling or climbing habit and distinctive fruit.

Taw Manroot

Taw Manroot

Marah Watsonii

Marah watsonii is a perennial herbaceous vine endemic to central northern California, known for its sprawling or climbing habit and distinctive fruit.

Quick Facts

Type
vine
Lifecycle
perennial
Care Difficulty
Moderate
Water Needs
Moderate
Light
Full Sun, Partial Shade
Hardiness Zones
9-11

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
☠️
Toxic

Growing Conditions

Soil Types:loamy, sandy, rocky
Indoor:No
Outdoor:Yes
Garden Use:groundcover, climber, erosion control

Care Calendar

Monthly care tasks for Taw Manroot

Jan
Prune
Feb
Fertilize
Mar
Repot
Apr
Water+
May
...
Jun
...
Jul
...
Aug
...
Sep
...
Oct
...
Nov
...
Dec
...

Expert Care Tips

Pro tips from botanists and plant experts

Watering Tip

Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.

Humidity Trick

Group plants together to create...

Growth Hack

Rotate your plant every...

Photo Gallery10+ photos

Taw Manroot
Taw Manroot detail

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Taxonomy

Family:Cucurbitaceae
Genus:Marah