North America Native Plant

Mointain Monkeyflower

Botanical name: Mimulus montioides

USDA symbol: MIMO2

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Mimulus discolor A.L. Grant (MIDI6)   

Mountain Monkeyflower: A Hidden Gem for Western Native Plant Gardens If you’re looking to add a touch of wild mountain beauty to your garden, the mountain monkeyflower (Mimulus montioides) might just be the perfect addition. This charming annual native brings the essence of California and Nevada’s high country right to ...

Rare plant alert!

Region: Conservation status by state

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

Mountain Monkeyflower: A Hidden Gem for Western Native Plant Gardens

If you’re looking to add a touch of wild mountain beauty to your garden, the mountain monkeyflower (Mimulus montioides) might just be the perfect addition. This charming annual native brings the essence of California and Nevada’s high country right to your backyard, though it comes with some important considerations for the responsible gardener.

What Is Mountain Monkeyflower?

Mountain monkeyflower is a delightful annual forb—essentially a non-woody flowering plant that completes its entire life cycle in one growing season. As part of the beloved monkeyflower family, this species produces the characteristic tubular blooms that have earned the group its whimsical common name. The flowers, which typically appear in shades of yellow or pink, have a distinctive face-like appearance that seems to grin back at you from the garden.

You might also encounter this plant listed under its botanical synonym, Mimulus discolor, in older gardening references or plant databases.

Where Does It Call Home?

This native beauty hails from the mountainous regions of California and Nevada, where it thrives in the challenging conditions of higher elevations. Its natural habitat gives us important clues about what this plant needs to succeed in cultivation.

Why Consider Mountain Monkeyflower for Your Garden?

There are several compelling reasons to welcome this native annual into your landscape:

  • True native credentials: As a plant indigenous to the western United States, it supports local ecosystems and wildlife
  • Pollinator magnet: The tubular flowers attract native bees, butterflies, and other beneficial insects
  • Low maintenance: Once established, it’s quite drought-tolerant and requires minimal care
  • Unique garden role: Perfect for rock gardens, alpine-style plantings, or naturalized areas
  • Self-sufficient: As an annual, it may self-seed and return year after year

Important Conservation Considerations

Before rushing to plant mountain monkeyflower, there’s something crucial to know: this species has a Global Conservation Status of S3?, which indicates its conservation status is somewhat uncertain but potentially of concern. This means you should only source plants or seeds from reputable native plant nurseries that use responsibly collected material—never from wild populations.

Contact local native plant societies or conservation organizations to find ethical sources, or consider participating in seed collection programs that support conservation efforts.

Growing Mountain Monkeyflower Successfully

Want to try your hand at growing this mountain native? Here’s what you need to know:

Ideal Growing Conditions

  • Sunlight: Full sun to partial shade
  • Soil: Well-draining soil is essential—think rocky or sandy conditions
  • Water: Drought-tolerant once established, but benefits from occasional deep watering
  • Climate: Best suited for USDA hardiness zones 7-10

Planting and Care Tips

The best approach is direct seeding in fall, allowing natural winter conditions to break seed dormancy. Scatter seeds over prepared soil and lightly cover. Spring emergence will depend on temperature and moisture conditions.

Once your mountain monkeyflowers are growing, resist the urge to pamper them too much. These plants evolved in tough mountain conditions and prefer a more hands-off approach. Overwatering or overly rich soil can actually harm their development.

Perfect Garden Partners

Mountain monkeyflower shines in specialized garden settings:

  • Rock gardens: Pairs beautifully with other alpine and desert natives
  • Xerophytic landscapes: Ideal for water-wise gardening approaches
  • Native plant gardens: Creates authentic western habitat
  • Naturalized areas: Allows for self-seeding and natural spread

The Bottom Line

Mountain monkeyflower offers western gardeners a wonderful opportunity to grow a true regional native while supporting local wildlife and pollinators. Its cheerful blooms and low-maintenance nature make it an excellent choice for the right garden setting. Just remember to source responsibly and give it the well-draining conditions it craves.

If you can’t find ethically sourced mountain monkeyflower, consider other native Mimulus species that might be more readily available in your area—there are many wonderful options that can provide similar benefits to your garden and local ecosystem.

Mointain Monkeyflower

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

Scrophulariales

Family

Scrophulariaceae Juss. - Figwort family

Genus

Mimulus L. - monkeyflower

Species

Mimulus montioides A. Gray - mointain monkeyflower

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