North America Native Plant

Viscid Mallow

Botanical name: Bastardia viscosa

USDA symbol: BAVI4

Life cycle: perennial

Habit: subshrub

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

Viscid Mallow: A Charming Native Shrub for Warm Climate Gardens Meet the viscid mallow (Bastardia viscosa), a delightfully unassuming native shrub that deserves more attention in warm climate gardens. This petite perennial brings understated charm to landscapes while supporting local wildlife – and it couldn’t be easier to grow! What ...

Viscid Mallow: A Charming Native Shrub for Warm Climate Gardens

Meet the viscid mallow (Bastardia viscosa), a delightfully unassuming native shrub that deserves more attention in warm climate gardens. This petite perennial brings understated charm to landscapes while supporting local wildlife – and it couldn’t be easier to grow!

What Makes Viscid Mallow Special?

Don’t let its modest size fool you – this little powerhouse packs a lot of personality into a compact package. Viscid mallow typically stays under 1.5 feet tall, making it perfect for gardeners who want native beauty without overwhelming their space. Its heart-shaped leaves have a soft, slightly sticky texture (hence the viscid name), and it produces cheerful small yellow flowers that pollinators absolutely adore.

Where Does Viscid Mallow Call Home?

This native gem naturally occurs in southern Texas, Puerto Rico, and the U.S. Virgin Islands. It’s perfectly adapted to warm, sometimes challenging growing conditions that would stress out many other plants. If you’re gardening in these areas, you’re working with a plant that truly belongs in your landscape.

Why Consider Adding Viscid Mallow to Your Garden?

Here are some compelling reasons to give this native shrub a try:

  • Perfect size for small spaces and container gardens
  • Drought tolerant once established – great for water-wise landscaping
  • Attracts native bees and butterflies with its nectar-rich flowers
  • Low maintenance – ideal for busy gardeners
  • Provides natural ground cover in informal garden settings
  • Supports local ecosystems as a true native plant

Growing Conditions and Care

Viscid mallow is wonderfully adaptable and forgiving, making it an excellent choice for both novice and experienced gardeners. Here’s what this easygoing native prefers:

Light: Full sun to partial shade – it’s quite flexible about lighting conditions

Soil: Well-draining soil is key. It’s not particularly fussy about soil type but won’t tolerate constantly wet feet

Water: Drought tolerant once established. Water regularly during the first growing season, then reduce frequency

Climate: Thrives in USDA hardiness zones 9-11, perfect for warm coastal and southern regions

Landscape Design Ideas

Viscid mallow shines in several garden scenarios:

  • Native plant gardens where it can mingle with other regional species
  • Informal cottage-style gardens for a relaxed, natural look
  • Coastal landscapes where its salt tolerance is beneficial
  • Wildlife gardens focused on supporting local pollinators
  • Low-maintenance xeriscapes combined with other drought-tolerant natives

Planting and Maintenance Tips

Getting started with viscid mallow is refreshingly straightforward:

  • Plant in spring after the last frost for best establishment
  • Space plants about 2-3 feet apart to allow for natural spreading
  • Water regularly the first year, then reduce to occasional deep watering
  • Light pruning in late winter can help maintain shape
  • No fertilizer needed – it thrives in native soil conditions

The Bottom Line

Viscid mallow might not be the showiest plant in the garden center, but it’s exactly the kind of reliable, eco-friendly choice that makes gardening both easier and more rewarding. If you’re gardening in its native range and want a low-maintenance shrub that supports local wildlife while adding gentle charm to your landscape, this little native is definitely worth considering. Plus, there’s something deeply satisfying about growing plants that truly belong in your local ecosystem!

Viscid Mallow

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

Malvales

Family

Malvaceae Juss. - Mallow family

Genus

Bastardia Kunth - bastardia

Species

Bastardia viscosa (L.) Kunth - viscid mallow

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