North America Native Plant

Gray Monardella

Botanical name: Monardella cinerea

USDA symbol: MOCI2

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Gray Monardella: A Rare California Native Worth Growing Responsibly If you’re looking to add a touch of California’s natural heritage to your garden while supporting local ecosystems, gray monardella might just be the perfect addition. This charming native perennial brings understated beauty and ecological value to drought-tolerant landscapes, though its ...

Rare plant alert!

Region: Conservation status by state

Status: S3: Status is uncertain but is somewhere between the following rankings: 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 ⚘

Gray Monardella: A Rare California Native Worth Growing Responsibly

If you’re looking to add a touch of California’s natural heritage to your garden while supporting local ecosystems, gray monardella might just be the perfect addition. This charming native perennial brings understated beauty and ecological value to drought-tolerant landscapes, though its rarity means you’ll want to source it thoughtfully.

What is Gray Monardella?

Gray monardella (Monardella cinerea) is a native California perennial herb that belongs to the mint family. As a forb, it’s an herbaceous plant that lacks woody stems but returns year after year from its root system. Don’t let its modest size fool you – this little powerhouse packs a lot of garden value into its compact form.

Where Does Gray Monardella Come From?

This special plant is endemic to California, meaning it naturally occurs nowhere else in the world. You’ll find wild populations scattered throughout the state, though they’re becoming increasingly rare. Gray monardella has earned a conservation status of S3, which means it’s considered vulnerable with only 21 to 100 known occurrences remaining.

Why Grow Gray Monardella?

There are several compelling reasons to consider adding this native gem to your landscape:

  • Water-wise beauty: Once established, gray monardella thrives with minimal irrigation, making it perfect for drought-conscious gardeners
  • Pollinator magnet: The small, clustered flowers attract native bees and butterflies, supporting local wildlife
  • Low maintenance: This hardy perennial requires little fuss once it’s settled in
  • Authentic California character: Add genuine native appeal to your landscape
  • Aromatic foliage: Like many mint family members, the leaves release a pleasant fragrance when brushed

Important Conservation Note

Before you rush to plant gray monardella, it’s crucial to understand that this species is rare and vulnerable. With only a limited number of wild populations remaining, responsible sourcing is essential. Only purchase plants from reputable native plant nurseries that propagate from ethically collected seeds or cuttings – never dig plants from the wild or buy from questionable sources.

Where Does Gray Monardella Fit in Your Garden?

This versatile native works beautifully in several landscape applications:

  • Rock gardens and rocky slopes
  • Native plant gardens
  • Drought-tolerant borders
  • Mediterranean-style landscapes
  • Wildlife habitat gardens
  • Ground cover in naturalized areas

Growing Conditions and Care

Gray monardella appreciates conditions similar to its native California habitat:

  • Climate: Best suited for USDA zones 8-10, thriving in California’s Mediterranean climate
  • Sunlight: Full sun to partial shade
  • Soil: Well-draining soil is essential – this plant won’t tolerate soggy conditions
  • Water: Drought-tolerant once established, requiring minimal supplemental irrigation
  • Maintenance: Very low maintenance once settled

Planting and Establishment Tips

Success with gray monardella starts with proper planting:

  • Plant in fall or early spring when temperatures are moderate
  • Ensure excellent drainage – amend heavy soils with gravel or coarse sand if needed
  • Water regularly during the first growing season to help establish roots
  • Once established, reduce watering to match natural rainfall patterns
  • Avoid fertilizers, as native plants typically prefer lean soils

Supporting Pollinators and Wildlife

One of the best reasons to grow gray monardella is its value to native wildlife. The flowers provide nectar for various pollinators, including native bees and butterflies. By choosing this plant over non-native alternatives, you’re creating habitat that local wildlife has evolved alongside for thousands of years.

The Bottom Line

Gray monardella offers California gardeners a chance to grow something truly special – a rare native that brings authentic local character while supporting conservation efforts. Just remember that with its vulnerable status comes responsibility. Choose your sources carefully, and consider yourself a steward of this precious piece of California’s natural heritage.

If you can’t locate responsibly sourced gray monardella, consider other native Monardella species or similar California natives that offer comparable garden benefits while being more widely available. Your local native plant society can point you toward excellent alternatives that will give you that authentic California garden feel while supporting local ecosystems.

Gray 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 cinerea Abrams - gray monardella

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