North America Native Plant

Smallflower Monkeyflower

Botanical name: Mimulus inconspicuus

USDA symbol: MIIN

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Smallflower Monkeyflower: A Rare California Native Worth Protecting in Your Garden Meet the smallflower monkeyflower (Mimulus inconspicuus), a charming little California native that lives up to its modest name. This unassuming annual wildflower might not win any beauty contests, but it deserves a special place in the hearts—and gardens—of native ...

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 ⚘

Smallflower Monkeyflower: A Rare California Native Worth Protecting in Your Garden

Meet the smallflower monkeyflower (Mimulus inconspicuus), a charming little California native that lives up to its modest name. This unassuming annual wildflower might not win any beauty contests, but it deserves a special place in the hearts—and gardens—of native plant enthusiasts who care about conservation.

What Makes Smallflower Monkeyflower Special

Don’t let the name fool you—while smallflower monkeyflower may be inconspicuous, it’s actually quite remarkable. This native annual forb produces tiny yellow flowers that, while small, pack a punch when it comes to supporting local ecosystems. As an annual plant, it completes its entire life cycle in one growing season, making it a fast-growing addition to wildflower gardens.

Where You’ll Find This California Native

Smallflower monkeyflower is exclusively native to California, where it naturally grows throughout various regions of the state. This makes it a true Golden State endemic—a plant you won’t find growing wild anywhere else in the world.

A Conservation Concern Worth Addressing

Here’s where things get important: smallflower monkeyflower has a Global Conservation Status of S3, meaning it’s considered vulnerable. With typically only 21 to 100 occurrences or between 3,000 and 10,000 individuals remaining, this little plant needs our help. If you’re considering adding it to your garden, please ensure you source seeds or plants from reputable native plant nurseries that practice ethical collection methods.

Garden Design and Landscaping Uses

Smallflower monkeyflower works beautifully in:

  • Native plant gardens focused on California species
  • Wildflower meadows and naturalized areas
  • Drought-tolerant landscapes
  • Rock gardens with well-draining soil
  • Educational gardens highlighting rare native plants

As a low-growing forb, it serves as an excellent ground cover and pairs wonderfully with other California natives like poppies, lupines, and native grasses.

Growing Conditions and Care

The good news? Smallflower monkeyflower is relatively easy to grow once you understand its preferences:

Sunlight: Thrives in full sun to partial shade

Soil: Prefers well-draining soils and can handle various soil types

Water needs: As a facultative upland plant, it usually grows in non-wetland areas but can tolerate some moisture. Once established, it’s quite drought-tolerant—perfect for California’s Mediterranean climate

Hardiness: Best suited for USDA zones 8-10, matching California’s mild climate conditions

Planting and Propagation Tips

Since smallflower monkeyflower is an annual, the best approach is direct seeding:

  • Sow seeds in fall for spring germination
  • Scatter seeds on prepared soil surface—no need to bury deeply
  • Water gently until germination occurs
  • Allow plants to self-seed for future generations
  • Minimal maintenance required once established

Supporting Pollinators and Wildlife

Though small, the flowers of Mimulus inconspicuus provide valuable nectar for native bees and other small pollinators. By growing this plant, you’re supporting the intricate web of California’s native ecosystems and providing habitat for creatures that have co-evolved with this species over thousands of years.

Why Plant Smallflower Monkeyflower?

Choosing to grow smallflower monkeyflower is more than just a gardening decision—it’s a conservation action. By cultivating this vulnerable species in your garden, you’re:

  • Helping preserve California’s native plant heritage
  • Supporting local pollinators and wildlife
  • Creating authentic habitat in your landscape
  • Contributing to the species’ long-term survival

While smallflower monkeyflower might not be the showiest plant in your garden, it represents something much more valuable: our connection to California’s unique natural heritage and our responsibility to protect it. With proper sourcing and care, this modest little wildflower can thrive in your garden while helping ensure future generations get to experience its quiet charm.

Smallflower 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 inconspicuus A. Gray - smallflower monkeyflower

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