North America Native Plant

Shrubby False Mallow

Botanical name: Malvastrum bicuspidatum

USDA symbol: MABI2

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Malvastrum tricuspidatum (W.T. Aiton) A. Gray var. bicuspidatum S. Watson (MATRB)   

Shrubby False Mallow: A Little-Known Native Gem for Southwestern Gardens If you’re looking to add some native charm to your southwestern garden, you might want to consider the shrubby false mallow (Malvastrum bicuspidatum). This unassuming little shrub may not be the showiest plant in the garden center, but it has ...

Shrubby False Mallow: A Little-Known Native Gem for Southwestern Gardens

If you’re looking to add some native charm to your southwestern garden, you might want to consider the shrubby false mallow (Malvastrum bicuspidatum). This unassuming little shrub may not be the showiest plant in the garden center, but it has some qualities that make it worth a second look for the right gardener.

What Exactly Is Shrubby False Mallow?

Shrubby false mallow is a perennial native plant that calls the American Southwest home. Scientifically known as Malvastrum bicuspidatum, this low-growing shrub typically stays under 1.5 feet tall, though it can occasionally reach up to 3 feet at maturity. Don’t let its modest size fool you – this little plant is perfectly adapted to life in challenging desert conditions.

The plant belongs to the mallow family, which means it’s related to hibiscus and cotton plants. Like its showier cousins, shrubby false mallow produces small, cheerful flowers that are typically orange to yellow in color.

Where Does It Grow Naturally?

Currently documented primarily in Arizona, shrubby false mallow is native to the lower 48 states and thrives in the challenging conditions of the American Southwest. This plant has evolved to handle the heat, drought, and intense sun that would send many garden plants running for cover.

Why You Might Want to Grow Shrubby False Mallow

Here are some compelling reasons to consider this native plant:

  • Water-wise gardening: As a desert native, this plant is naturally drought-tolerant once established
  • Low maintenance: Its compact size means less pruning and upkeep
  • Native plant benefits: Supporting local ecosystems by choosing indigenous species
  • Pollinator potential: Mallow family plants typically attract bees and other beneficial insects
  • Year-round structure: As a perennial shrub, it provides consistent garden structure

Best Garden Settings for Shrubby False Mallow

This plant shines in specific garden styles:

  • Xeriscape gardens: Perfect for water-conscious landscaping
  • Native plant gardens: Ideal for authentic southwestern plant communities
  • Rock gardens: Its compact size works well among stones and gravel
  • Desert-themed landscapes: Complements other drought-adapted plants beautifully

Growing Conditions and Care

While specific growing information for shrubby false mallow is limited, we can make educated guesses based on its native habitat:

  • Sunlight: Likely prefers full sun, as most desert natives do
  • Soil: Probably thrives in well-draining, sandy or rocky soils
  • Water: Drought-tolerant once established, but may need occasional deep watering
  • Climate zones: Best suited for USDA zones 8-10, matching its Arizona origins

The Reality Check

Here’s where we need to be honest: shrubby false mallow isn’t exactly flying off nursery shelves. In fact, it can be quite difficult to find in cultivation. This rarity in the trade means you might have to do some serious plant hunting if you want to add it to your garden.

Additionally, the limited information available about its specific growing requirements means you’d be somewhat experimenting if you decide to grow it. For some gardeners, this mystery adds to the appeal – for others, it might be a deal-breaker.

Alternatives to Consider

If you can’t find shrubby false mallow but love the idea of a compact, native southwestern shrub, consider these alternatives:

  • Desert willow for larger spaces
  • Brittlebush for similar low-maintenance appeal
  • Desert marigold for continuous blooms
  • Other Malvastrum species that might be more readily available

The Bottom Line

Shrubby false mallow represents one of those interesting native plants that deserves more attention than it gets. While it may not be the easiest plant to source or grow, it offers the satisfaction of cultivating something truly regional and authentic to the American Southwest.

If you’re an adventurous gardener in Arizona or similar climates, and you manage to track down this little shrub, it could be a unique addition to your native plant collection. Just be prepared for some trial and error as you figure out exactly what makes it happiest in your particular garden.

Shrubby False 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

Malvastrum A. Gray - false mallow

Species

Malvastrum bicuspidatum (S. Watson) Rose - shrubby false mallow

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