North America Native Plant

Mustang Monardella

Botanical name: Monardella lanceolata var. glandulifera

USDA symbol: MOLAG

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Mustang Monardella: A Rare California Native Worth Knowing Meet the mustang monardella, a charming little wildflower that’s about as exclusive as native plants get. This pint-sized annual might not be the showiest plant in your garden, but it carries the special distinction of being a true California original – and ...

Rare plant alert!

Region: Conservation status by state

Status: S5T1T3: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ Subspecies or variety is vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals. ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Mustang Monardella: A Rare California Native Worth Knowing

Meet the mustang monardella, a charming little wildflower that’s about as exclusive as native plants get. This pint-sized annual might not be the showiest plant in your garden, but it carries the special distinction of being a true California original – and a pretty rare one at that.

What Makes Mustang Monardella Special?

Botanically known as Monardella lanceolata var. glandulifera, the mustang monardella belongs to the mint family and shares that characteristic square stem and aromatic qualities you’d expect from its minty relatives. As an annual forb, this herbaceous plant completes its entire life cycle in a single growing season, making every year a fresh start.

What really sets this plant apart is its native status and rarity. This variety is endemic to California, meaning it naturally occurs nowhere else on Earth. With a conservation status of S5T1T3, this particular variety is considered quite rare, making it a true treasure for native plant enthusiasts.

Where You’ll Find It Growing Wild

Mustang monardella calls California home, though its exact distribution within the state is limited due to its rarity. Like many California natives, it has adapted to the state’s unique Mediterranean climate and diverse ecosystems.

Should You Grow Mustang Monardella?

Here’s where things get interesting – and a bit complicated. While supporting native plants is always a worthy cause, mustang monardella’s rarity means you need to be extra thoughtful about how you go about it.

The Good Reasons to Consider It:

  • Supporting biodiversity by growing rare native species
  • Contributing to conservation efforts
  • Adding authentic California character to native gardens
  • Connecting with your local ecosystem

The Important Caveats:

  • Seeds or plants must be responsibly sourced from reputable native plant societies or specialized nurseries
  • Never collect from wild populations
  • Limited cultivation information means some trial and error
  • As an annual, you’ll need to replant or allow self-seeding each year

Growing Mustang Monardella Successfully

Growing this rare beauty comes with some challenges, mainly because detailed cultivation information is limited. However, we can make some educated guesses based on its native habitat and family characteristics.

Best Garden Settings:

Mustang monardella would likely thrive in native California gardens, wildflower meadows, or naturalized landscapes that mimic its wild habitat. Given its annual nature, it’s perfect for areas where you want seasonal interest rather than permanent structure.

Growing Conditions:

While specific requirements aren’t well-documented, most California native Monardella species prefer:

  • Well-draining soils
  • Full sun to partial shade
  • Minimal summer water once established
  • Good air circulation

Planting and Care Tips:

  • Start from seed in fall for spring germination (mimicking natural cycles)
  • Plant in areas with good drainage to prevent root rot
  • Water sparingly once established, following natural rainfall patterns
  • Allow plants to self-seed for future generations
  • Avoid fertilizing, as most natives prefer lean soils

The Responsible Approach

If you’re interested in growing mustang monardella, the most important thing is sourcing it responsibly. Contact local native plant societies, botanical gardens, or specialized California native plant nurseries. They can help you determine if seeds or plants are available through conservation programs.

Remember, with rare plants like this one, every garden can become a mini conservation site. By growing mustang monardella responsibly, you’re not just adding a unique plant to your landscape – you’re participating in preserving California’s botanical heritage for future generations.

A Plant Worth the Effort

Mustang monardella might not be the easiest native to grow, and it certainly isn’t the most common. But for gardeners who appreciate the rare and special, this little California endemic represents something precious: a direct connection to the state’s unique natural heritage. Just remember to approach it with the respect and care that any rare treasure deserves.

Mustang Monardella

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Lamiales

Family

Lamiaceae Martinov - Mint family

Genus

Monardella Benth. - monardella

Species

Monardella lanceolata A. Gray - mustang monardella

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