North America Native Plant

San Antonio Hills Monardella

Botanical name: Monardella antonina antonina

USDA symbol: MOANA

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

San Antonio Hills Monardella: A Rare Native Gem for California Gardens If you’re on the hunt for truly special native plants that few gardeners know about, let me introduce you to San Antonio Hills monardella (Monardella antonina antonina). This little-known California native is like finding a hidden treasure in the ...

Rare plant alert!

Region: Conservation status by state

Status: S4T3Q: Status is uncertain but is somewhere between the following rankings: Uncertain taxonomy: ⚘ 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. ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘

San Antonio Hills Monardella: A Rare Native Gem for California Gardens

If you’re on the hunt for truly special native plants that few gardeners know about, let me introduce you to San Antonio Hills monardella (Monardella antonina antonina). This little-known California native is like finding a hidden treasure in the world of native gardening – rare, special, and absolutely worth getting to know.

What Makes This Plant Special?

San Antonio Hills monardella is a perennial herb that belongs to the mint family, and like many of its aromatic relatives, it brings both beauty and fragrance to the garden. This native forb grows as a low-growing herb without significant woody stems, making it a perfect choice for gardeners who want to add authentic California character to their landscapes.

As a true California native, this plant has evolved specifically for our Mediterranean climate and local growing conditions. It’s found exclusively in California, making it a genuine piece of our state’s natural heritage.

A Word About Rarity

Here’s something important to know: San Antonio Hills monardella has a conservation status that suggests it’s uncommon in the wild. This makes it even more special, but it also means we need to be thoughtful about how we grow it. If you decide to add this beauty to your garden, make sure you source it responsibly from reputable native plant nurseries or propagate it ethically from existing garden plants.

Why Grow San Antonio Hills Monardella?

There are several compelling reasons to consider this native gem:

  • Authentic California native: You’ll be growing a piece of California’s natural heritage
  • Low-maintenance perennial: Once established, native plants typically require less water and care than non-natives
  • Supports local ecosystems: Native plants provide the best habitat and food sources for local wildlife
  • Conversation starter: Few gardeners grow this rare species, making your garden unique
  • Climate-adapted: Perfectly suited for California’s Mediterranean climate

Growing Tips and Care

While specific growing information for this subspecies is limited, members of the Monardella genus generally prefer well-draining soils and full sun to partial shade conditions typical of California’s native landscapes. Like most California natives, it will likely perform best with minimal summer water once established.

Since this is a perennial herb, you can expect it to return year after year, potentially forming small colonies over time. The low-growing habit makes it suitable for rock gardens, native plant borders, or naturalized areas where you want to showcase California’s botanical diversity.

Where to Use It in Your Garden

San Antonio Hills monardella works beautifully in:

  • Native plant gardens focusing on California species
  • Rock gardens or areas with good drainage
  • Wildlife habitat gardens
  • Low-water landscape designs
  • Educational gardens showcasing rare natives

The Bottom Line

San Antonio Hills monardella might not be the flashiest plant in the nursery, but it offers something many plants can’t: the satisfaction of growing a genuinely rare California native that’s perfectly adapted to our climate. If you can source it responsibly, this little herb can add authentic native character to your garden while supporting local biodiversity.

Just remember – with great rarity comes great responsibility. Always purchase from reputable sources and consider yourself a steward of this special piece of California’s natural heritage.

San Antonio Hills 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 antonina Hardham - San Antonio Hills monardella

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