North America Native Plant

Manroot

Botanical name: Marah

USDA symbol: MARAH

Life cycle: perennial

Habit: vine

Native status: Native to Canada âš˜ Native to the lower 48 states  

Meet the Manroot: A Wild and Wonderful Native Vine If you’re looking for a native plant that’s equal parts fascinating and functional, let me introduce you to manroot (Marah). This quirky perennial might not win any beauty contests in the traditional sense, but it’s got character in spades and plays ...

Meet the Manroot: A Wild and Wonderful Native Vine

If you’re looking for a native plant that’s equal parts fascinating and functional, let me introduce you to manroot (Marah). This quirky perennial might not win any beauty contests in the traditional sense, but it’s got character in spades and plays an important role in western North America’s natural ecosystems.

What Exactly Is Manroot?

Manroot is a perennial forb herb that grows as a sprawling vine-like plant. Despite its climbing tendencies, it’s technically classified as an herb rather than a woody vine, meaning it lacks significant woody tissue above ground. The plant gets its common name from its massive underground tuber, which can grow to impressive sizes and store water for the dry season.

This native beauty produces large, heart-shaped leaves that create excellent ground cover, along with small white flowers that eventually develop into distinctive papery seed pods. It’s the kind of plant that makes you do a double-take – definitely not your typical garden-variety perennial!

Where Does Manroot Call Home?

Manroot is proudly native to both Canada and the lower 48 United States, with populations thriving across the western regions. You’ll find this adaptable plant growing naturally in British Columbia, Arizona, California, Nevada, New Mexico, Oregon, and Washington.

Why Consider Manroot for Your Garden?

While manroot might seem like an unusual choice for home gardens, it offers several compelling benefits:

  • Native wildlife support: The flowers attract native bees and other small pollinators, while the plant provides habitat and food sources for local wildlife
  • Water-wise gardening: Once established, manroot is remarkably drought tolerant, making it perfect for xeriscaping
  • Natural ground cover: Its sprawling growth habit makes it excellent for covering large areas naturally
  • Low maintenance: This tough native requires minimal care once it’s settled in

Best Garden Settings for Manroot

Manroot isn’t suited for every garden style, but it shines in specific settings:

  • Native plant gardens and natural landscaping
  • Xeriscape and drought-tolerant gardens
  • Wildlife habitat restoration projects
  • Large naturalized areas where it has room to spread
  • Hillside plantings for erosion control

Growing Conditions and Care

The good news about manroot is that it’s relatively easy to grow if you can provide the right conditions. This plant thrives in full sun to partial shade and prefers well-draining soil – soggy conditions are definitely not its friend.

Manroot is typically hardy in USDA zones 8-10, though this can vary depending on your specific location and local microclimates. The plant naturally dies back in winter, emerging again when conditions warm up.

Planting and Care Tips

Here’s how to successfully grow manroot in your garden:

  • Starting from seed: Plant seeds in fall or early spring, allowing natural stratification to occur
  • Watering: Provide regular water during establishment, then reduce to minimal supplemental irrigation
  • Soil preparation: Ensure excellent drainage – amend heavy clay soils with compost or sand
  • Space planning: Give manroot plenty of room to spread, as it can cover significant ground
  • Seasonal care: Allow the plant to die back naturally in winter; don’t cut it back prematurely

Is Manroot Right for Your Garden?

Manroot is definitely a plant for adventurous native plant enthusiasts rather than traditional gardeners. If you have space for a sprawling, naturalistic plant and want to support local ecosystems, manroot could be a fantastic addition. However, if you prefer neat, compact plants or have limited space, you might want to consider other native alternatives.

The key is understanding what you’re getting into – manroot is wild at heart and prefers to grow on its own terms. But for the right garden and the right gardener, it’s an absolutely fascinating native plant that connects your landscape to the natural heritage of western North America.

Manroot

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Violales

Family

Cucurbitaceae Juss. - Cucumber family

Genus

Marah Kellogg - manroot

Species

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA