North America Native Plant

Climbing Wartclub

Botanical name: Boerhavia scandens

USDA symbol: BOSC

Life cycle: perennial

Habit: vine

Native status: Native to the lower 48 states âš˜ Native to Navassa Island âš˜ Native to Puerto Rico âš˜ Native to the U.S. Virgin Islands  

Synonyms: Commicarpus scandens (L.) Standl. (COSC)   

Climbing Wartclub: A Native Sprawler for Low-Maintenance Gardens Meet the climbing wartclub (Boerhavia scandens), a delightfully resilient native perennial that’s perfect for gardeners who love low-maintenance plants with a wild, natural look. Don’t let the quirky name fool you – this sprawling beauty has much more charm than its moniker ...

Climbing Wartclub: A Native Sprawler for Low-Maintenance Gardens

Meet the climbing wartclub (Boerhavia scandens), a delightfully resilient native perennial that’s perfect for gardeners who love low-maintenance plants with a wild, natural look. Don’t let the quirky name fool you – this sprawling beauty has much more charm than its moniker suggests!

What Is Climbing Wartclub?

Climbing wartclub is a perennial vine native to the southwestern United States and Caribbean territories. Also known by its botanical name Boerhavia scandens (and sometimes listed as Commicarpus scandens), this adaptable plant features twining, climbing stems that can be either woody or herbaceous depending on growing conditions.

The plant produces small, delicate pink to magenta flowers that may seem modest individually but create a lovely display when blooming en masse. Its sprawling growth habit makes it excellent for covering ground or climbing up supports when given the opportunity.

Where Does It Grow Naturally?

This native gem calls the American Southwest and Caribbean home, naturally occurring in Arizona, New Mexico, Texas, Puerto Rico, the U.S. Virgin Islands, and Navassa Island. Its natural range tells us a lot about what this plant loves – warm climates, well-draining soils, and plenty of sunshine.

Why Grow Climbing Wartclub?

There are several compelling reasons to consider adding this native to your landscape:

  • Low maintenance: Once established, it requires minimal care and is highly drought tolerant
  • Native plant benefits: Supports local ecosystems and wildlife
  • Pollinator friendly: Small flowers attract butterflies, bees, and other beneficial insects
  • Erosion control: Excellent for stabilizing slopes and preventing soil erosion
  • Versatile growth: Can function as groundcover or climbing vine

Perfect Garden Settings

Climbing wartclub shines in several types of landscapes:

  • Desert and xeriscape gardens
  • Natural and wildscape areas
  • Restoration projects
  • Slope stabilization areas
  • Low-water gardens

It’s particularly valuable in naturalized settings where its sprawling habit can mimic its wild growth patterns.

Growing Conditions and Care

One of climbing wartclub’s best features is how easy it is to grow, provided you match its preferred conditions:

Sunlight: Thrives in full sun to partial shade
Soil: Prefers well-draining sandy or rocky soils – avoid heavy, clay soils that retain moisture
Water: Drought tolerant once established; minimal watering needed
Climate: Best suited for USDA hardiness zones 8-11

Planting and Care Tips

Getting started with climbing wartclub is refreshingly straightforward:

  • Plant in spring after the last frost
  • Choose a location with good drainage – this is crucial for success
  • Water regularly during establishment, then reduce frequency
  • Provide support if you want it to climb, or let it sprawl as groundcover
  • Minimal pruning needed; plant may self-seed in favorable conditions
  • Watch for spreading via underground stems in ideal growing conditions

Wildlife and Ecosystem Benefits

As a native plant, climbing wartclub provides important ecological benefits. Its flowers attract various pollinators, including butterflies and small bees, contributing to the health of local pollinator populations. The plant’s sprawling growth also provides habitat and cover for small wildlife.

Is Climbing Wartclub Right for Your Garden?

Consider climbing wartclub if you’re looking for a low-maintenance native plant that can handle tough conditions while providing ecological benefits. It’s ideal for gardeners in the Southwest who want to create naturalized landscapes with minimal water requirements.

However, keep in mind that this plant has a somewhat wild, sprawling appearance that may not suit formal garden designs. It’s best appreciated in natural or casual landscape settings where its free-form growth can be an asset rather than a concern.

With its combination of native status, drought tolerance, and wildlife benefits, climbing wartclub deserves consideration from any gardener interested in sustainable, low-maintenance landscaping that supports local ecosystems.

Climbing Wartclub

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Caryophyllidae

Order

Caryophyllales

Family

Nyctaginaceae Juss. - Four o'clock family

Genus

Boerhavia L. - spiderling

Species

Boerhavia scandens L. - climbing wartclub

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