North America Non-native Plant

Wax Mallow

Botanical name: Malvaviscus

USDA symbol: MALVA3

Life cycle: perennial

Habit: subshrub

Native status: Non-native, reproduces and persists in the wild in Hawaii âš˜ It's either native or not native in the lower 48 states âš˜ Non-native, reproduces and persists in the wild in Pacific Basin excluding Hawaii âš˜ Non-native, reproduces and persists in the wild in Puerto Rico âš˜ Non-native, reproduces and persists in the wild in the U.S. Virgin Islands  

Wax Mallow: A Tropical Beauty for Warm Climate Gardens If you’re looking for a flowering shrub that brings a touch of tropical flair to your garden, you might want to consider wax mallow (Malvaviscus). This eye-catching perennial shrub has been making its way into gardens across the warmer regions of ...

Wax Mallow: A Tropical Beauty for Warm Climate Gardens

If you’re looking for a flowering shrub that brings a touch of tropical flair to your garden, you might want to consider wax mallow (Malvaviscus). This eye-catching perennial shrub has been making its way into gardens across the warmer regions of the United States, though it’s not originally from here. Let’s dive into what makes this plant special and whether it might be right for your landscape.

What Exactly Is Wax Mallow?

Wax mallow is a multi-stemmed woody shrub that typically grows to be less than 13-16 feet tall, though it usually stays much smaller in garden settings. What makes this plant particularly interesting is its unique flowers – bright red, tubular blooms that never fully open, giving them an almost perpetually budded appearance. The heart-shaped leaves provide a lush green backdrop for these vibrant flowers, creating an attractive year-round display in suitable climates.

Where Does It Grow?

While wax mallow originally hails from Central America and Mexico, it has established itself in various parts of the United States and territories. You can find it growing in Alabama, Arkansas, Florida, Georgia, Hawaii, Louisiana, Mississippi, North Carolina, South Carolina, Texas, and several U.S. territories including Puerto Rico and the Virgin Islands.

It’s important to note that wax mallow is not native to these areas – it’s what botanists call a naturalized plant, meaning it was introduced but now reproduces on its own in the wild.

Why Gardeners Love (and Sometimes Question) Wax Mallow

There are several reasons why gardeners are drawn to this tropical beauty:

  • Vibrant red flowers that bloom for extended periods
  • Attracts hummingbirds and butterflies to the garden
  • Relatively low maintenance once established
  • Adds tropical ambiance to landscapes
  • Can serve as an informal hedge or specimen plant

However, since it’s not native to most areas where it’s grown, some gardeners prefer to choose indigenous alternatives that better support local ecosystems.

Growing Conditions and Care

Wax mallow thrives in USDA hardiness zones 8-11, making it suitable for warmer climates. Here’s what it needs to flourish:

  • Light: Partial shade to full sun (some afternoon shade in hottest climates)
  • Soil: Well-draining soil that doesn’t stay waterlogged
  • Water: Regular watering, but allow soil to dry slightly between waterings
  • Space: Give it room to spread, as it can develop multiple stems from the base

Planting and Care Tips

Getting your wax mallow off to a good start is fairly straightforward:

  • Plant in spring after the last frost date
  • Dig a hole twice as wide as the root ball
  • Apply mulch around the base to retain moisture and suppress weeds
  • Prune regularly to maintain shape and encourage blooming
  • In marginal zones, protect from cold snaps

The plant is generally pest-resistant, though you should keep an eye out for common garden insects like aphids or spider mites.

Supporting Pollinators

One of the most delightful aspects of growing wax mallow is watching the wildlife it attracts. The tubular red flowers are perfectly designed for hummingbirds, and you’ll often see these tiny jeweled birds hovering around the blooms. Butterflies also visit for nectar, making this plant a valuable addition to pollinator gardens.

Consider Native Alternatives

While wax mallow can be a beautiful addition to appropriate gardens, consider exploring native alternatives that provide similar benefits while supporting local ecosystems. Depending on your region, options might include native hibiscus species, cardinal flower, or bee balm – all of which offer vibrant colors and attract pollinators.

The Bottom Line

Wax mallow can be a stunning addition to warm-climate gardens, especially if you’re aiming for a tropical look or want to attract hummingbirds. While it’s not native to most areas where it’s commonly grown, it’s not currently considered invasive either. As with any gardening decision, consider your local ecosystem and perhaps balance non-native ornamentals like wax mallow with plenty of native plants that support local wildlife year-round.

If you decide to grow wax mallow, you’ll be rewarded with months of colorful blooms and the joy of watching hummingbirds dance among your flowers – just remember to give it the warm, well-draining conditions it craves!

Wax 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

Malvaviscus Fabr. - wax mallow

Species

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