North America Native Plant

Sarsparilla Vine

Botanical name: Smilax pumila

USDA symbol: SMPU

Life cycle: perennial

Habit: vine

Native status: Native to the lower 48 states  

Synonyms: Smilax humilis Mill., nom. utique rej. (SMHU2)   

Sarsaparilla Vine: A Native Southeastern Treasure for Wildlife Gardens If you’re looking for a low-maintenance native plant that wildlife absolutely love, let me introduce you to the sarsaparilla vine (Smilax pumila). This unassuming southeastern native might not win any beauty contests, but it’s a powerhouse when it comes to supporting ...

Sarsaparilla Vine: A Native Southeastern Treasure for Wildlife Gardens

If you’re looking for a low-maintenance native plant that wildlife absolutely love, let me introduce you to the sarsaparilla vine (Smilax pumila). This unassuming southeastern native might not win any beauty contests, but it’s a powerhouse when it comes to supporting local ecosystems – and it’s surprisingly easy to grow once you understand its quirky personality.

What is Sarsaparilla Vine?

Sarsaparilla vine, scientifically known as Smilax pumila, is a perennial shrub native to the southeastern United States. Despite its common name suggesting a vine-like growth, this plant typically grows as a multi-stemmed woody shrub, usually staying under 13-16 feet in height. Don’t let the word shrub fool you though – this plant has a scrambling, somewhat vine-like growth habit that can spread and climb when given the opportunity.

You might also encounter this plant listed under its botanical synonym, Smilax humilis, in older gardening references.

Where Does Sarsaparilla Vine Grow Naturally?

This southeastern native calls eight states home: Alabama, Arkansas, Florida, Georgia, Louisiana, Mississippi, South Carolina, and Texas. It’s perfectly adapted to the climate and growing conditions of USDA hardiness zones 7-10, making it an excellent choice for gardeners in these regions who want to support native plant communities.

Why Wildlife Go Wild for Sarsaparilla Vine

Here’s where sarsaparilla vine really shines – it’s like a wildlife cafeteria! According to research, this plant provides a significant portion (5-10%) of the diet for:

  • Large animals like deer
  • Small mammals including rabbits and rodents
  • Various terrestrial birds

The small blue-black berries are particularly popular with birds, while the foliage provides browse for mammals. The inconspicuous greenish flowers also attract small insects, adding another layer to the food web.

Should You Plant Sarsaparilla Vine in Your Garden?

The answer depends on what kind of garden you’re creating and your tolerance for a plant with personality. Here are the pros and cons:

Reasons to plant it:

  • Excellent wildlife value for native species
  • Low maintenance once established
  • Native to the southeastern U.S.
  • Drought tolerant
  • Thrives in various light conditions

Things to consider:

  • Can be thorny (it is a Smilax, after all!)
  • Not particularly showy or ornamental
  • May spread more than you expect
  • Better suited for naturalized areas than formal gardens

Perfect Garden Settings for Sarsaparilla Vine

Sarsaparilla vine isn’t the plant for manicured formal gardens, but it’s perfect for:

  • Native plant gardens
  • Wildlife habitat areas
  • Woodland gardens
  • Naturalized landscapes
  • Restoration projects
  • Rain gardens (though it prefers well-drained spots)

Growing Conditions and Care

One of the best things about sarsaparilla vine is how adaptable it is. This plant is what gardeners call obligate upland in most of its range, meaning it almost never occurs in wetlands and prefers well-drained soils. However, in the Great Plains region, it’s more flexible about moisture levels.

Ideal growing conditions:

  • Soil: Well-drained, various soil types
  • Light: Partial shade to full sun
  • Water: Drought tolerant once established
  • Climate: USDA zones 7-10

Planting and Care Tips

Sarsaparilla vine is refreshingly low-maintenance, but here are some tips for success:

  • Plant in well-draining soil – this is non-negotiable
  • Give it room to spread, or be prepared to prune occasionally
  • Water regularly the first year to establish, then let nature take over
  • Wear gloves when handling due to thorns
  • Consider its spreading nature when choosing placement

Once established, you can pretty much ignore this plant and let it do its thing. It’s one of those plant it and forget it natives that reward you by supporting local wildlife for years to come.

The Bottom Line

Sarsaparilla vine might not be the showiest plant in your garden, but if you’re passionate about supporting native wildlife and want a truly low-maintenance addition to naturalized areas, this southeastern native delivers. Just give it the well-drained soil it craves, stand back, and watch the wildlife flock to your yard. Sometimes the most valuable plants are the ones working quietly behind the scenes – and sarsaparilla vine is definitely one of those unsung heroes.

Wildlife Status

Want to attract wildlife or keep hungry critters away from your garden? Understanding the relationship between plants and wildlife is key. While plant tags may indicate deer and rabbit resistance, they don't tell the full story. Every gardener has experienced the disappointment of purchasing "deer-resistant" plants only to find them nibbled to the ground!

The extent to which plants are resistant to animal browsing is a matter of degree. Likewise, the extent to which a plant attracts wanted visitors also varies. Whether you want a garden full or free of wildlife, learning about interactions between a plant and wild animals can help you make smarter choices for the garden you desire.

As shown below Shrubby Indian Mallow isn't a large food source for animals or birds. You can confidently add this plant to your garden and rest assured knowing it's unlikely to be devoured by four-legged visitors.

Small animals

5-10% of diet

Infrequently used as cover

Large animals

5-10% of diet

Infrequently used as cover

Terrestrial birds

5-10% of diet

Infrequently used as cover

Water birds

not a food source

not a source of cover

Sources:

Miller, J.H., and K.V. Miller. 1999. Forest plants of the southeast and their wildlife uses. Southern Weed Science Society.

Sarsparilla Vine

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Liliidae

Order

Liliales

Family

Smilacaceae Vent. - Catbrier family

Genus

Smilax L. - greenbrier

Species

Smilax pumila Walter - sarsparilla vine

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