North America Native Plant

Shelton’s Monardella

Botanical name: Monardella sheltonii

USDA symbol: MOSH

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Monardella villosa Benth. ssp. sheltonii (Torr.) Epling (MOVIS2)   

Shelton’s Monardella: A Rare Gem for Native Plant Enthusiasts If you’re on the hunt for truly unique native plants that few gardeners know about, let me introduce you to Shelton’s monardella (Monardella sheltonii). This little-known perennial herb is one of those special plants that makes you feel like you’ve discovered ...

Shelton’s Monardella: A Rare Gem for Native Plant Enthusiasts

If you’re on the hunt for truly unique native plants that few gardeners know about, let me introduce you to Shelton’s monardella (Monardella sheltonii). This little-known perennial herb is one of those special plants that makes you feel like you’ve discovered a botanical secret. While it may not be as flashy as some garden favorites, this humble California and Oregon native has its own quiet charm that’s perfect for the right garden setting.

What Makes Shelton’s Monardella Special?

Shelton’s monardella is a perennial forb herb, meaning it’s an herbaceous plant that comes back year after year without any woody stems above ground. Like other members of the Monardella family (also known as mountain mints), this plant is delightfully aromatic when its leaves are brushed or crushed. You might also see it listed under its synonym Monardella villosa ssp. sheltonii in some plant databases.

This native beauty calls the western states home, specifically California and Oregon. As a true native, it has evolved alongside local wildlife and environmental conditions for thousands of years, making it a perfect choice for gardeners who want to support their local ecosystem.

Why You Might Want to Grow Shelton’s Monardella

Here’s the thing about Shelton’s monardella – it’s not going to win any awards for showy blooms or dramatic foliage. But what it lacks in flashiness, it makes up for in authenticity and ecological value. Here’s why this plant might be perfect for your garden:

  • It’s a true regional native that supports local pollinators
  • The aromatic foliage adds sensory interest to your garden
  • Perfect for naturalistic or native plant gardens
  • Low-maintenance once established
  • Helps preserve regional plant diversity

Where Does It Fit in Your Garden?

Shelton’s monardella is best suited for specialized garden settings rather than formal flower borders. Think native plant gardens, rock gardens, or naturalistic landscapes where the goal is to recreate local plant communities. It’s an excellent choice for gardeners in California and Oregon who are passionate about growing plants that truly belong in their region.

This plant works wonderfully in Mediterranean-style gardens or drought-tolerant landscapes, where its likely preference for well-draining soil and minimal water (typical of the Monardella genus) would be an asset rather than a limitation.

Growing Conditions and Care

Here’s where I need to be honest with you – specific growing information for Monardella sheltonii is quite limited, which is often the case with lesser-known native species. However, based on its native habitat and relationship to other Monardella species, here’s what we can reasonably expect:

  • Sunlight: Likely prefers full sun to partial shade
  • Soil: Well-draining soil is probably essential
  • Water: Likely drought-tolerant once established, with minimal summer water needs
  • Climate zones: Probably suited to USDA zones 8-10, based on its California and Oregon range

The Reality Check

Let’s be realistic about Shelton’s monardella – this isn’t a plant you’ll find at your local garden center. It’s a specialized native that appeals to serious native plant enthusiasts rather than casual gardeners. The limited availability and lack of detailed growing information means you’ll need to be patient and persistent if you want to add this one to your collection.

If you do manage to source this plant, you’ll likely need to connect with native plant societies, specialized nurseries, or seed exchanges in California or Oregon. Always ensure any plants you acquire are responsibly sourced and legally obtained.

Pollinator and Wildlife Benefits

While specific wildlife data for Shelton’s monardella isn’t readily available, plants in the Monardella genus typically attract small native bees, beneficial insects, and sometimes butterflies. As a native plant, it’s likely to provide some ecological benefits to local wildlife, even if we don’t have detailed studies on this particular species.

The Bottom Line

Shelton’s monardella is a plant for the native plant collector rather than the average gardener. If you’re passionate about growing regional natives, appreciate subtle beauty over flashy displays, and don’t mind a bit of mystery in your garden, this could be a rewarding addition. Just be prepared for some detective work in sourcing and growing it!

For most gardeners, more readily available Monardella species might be a better starting point. But for those special few who love the challenge of growing rare natives, Shelton’s monardella offers the satisfaction of nurturing a true botanical treasure.

Shelton’s 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 sheltonii (Torr.) Howell - Shelton's monardella

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