North America Native Plant

Little Purple Monkeyflower

Botanical name: Mimulus purpureus

USDA symbol: MIPU4

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Little Purple Monkeyflower: A Rare California Treasure Worth Protecting Meet the little purple monkeyflower (Mimulus purpureus), one of California’s most precious floral gems. This tiny annual wildflower might not command attention from across the garden, but for native plant enthusiasts and conservation-minded gardeners, it represents something truly special – a ...

Rare plant alert!

Region: Conservation status by state

Status: S2: Status is uncertain but is somewhere between the following rankings: Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘

Little Purple Monkeyflower: A Rare California Treasure Worth Protecting

Meet the little purple monkeyflower (Mimulus purpureus), one of California’s most precious floral gems. This tiny annual wildflower might not command attention from across the garden, but for native plant enthusiasts and conservation-minded gardeners, it represents something truly special – a rare piece of California’s botanical heritage that desperately needs our protection.

A California Original with a Story to Tell

The little purple monkeyflower is a true California native, found exclusively within the Golden State’s borders. As an annual forb, this delicate plant completes its entire life cycle in a single growing season, making every year a race against time to produce the next generation.

What makes this plant particularly noteworthy is its conservation status. With a Global Conservation Status of S2, the little purple monkeyflower is considered imperiled, with typically only 6 to 20 known occurrences remaining in the wild. This extreme rarity makes it especially vulnerable to extinction, putting it on the radar of botanists and conservationists throughout California.

Why Gardeners Should Care About This Rare Beauty

You might wonder why anyone would want to grow such an uncommon plant. Here are several compelling reasons:

  • Conservation impact: Growing rare natives helps preserve California’s botanical diversity
  • Unique garden addition: Few gardeners can claim to have such a rare species in their collection
  • Pollinator support: Even small native plants provide crucial resources for native bees and other pollinators
  • Educational value: Perfect conversation starter about native plant conservation

What to Expect from Little Purple Monkeyflower

As its name suggests, this charming annual produces small purple tubular flowers characteristic of the monkeyflower family. The blooms are delicate and best appreciated up close, making this plant ideal for rock gardens, native plant collections, or specialized conservation gardens rather than mass landscape plantings.

Being an annual, the little purple monkeyflower will need to reseed itself each year to maintain its presence in your garden. This natural lifecycle adds an element of anticipation – will it return next spring?

Growing Conditions and Care

The little purple monkeyflower has a wetland status of Facultative Upland in the Arid West, meaning it typically grows in non-wetland areas but can occasionally be found in wetland environments. This suggests it prefers well-draining soils with occasional moisture.

For California gardeners in USDA zones 8-10, this plant can potentially thrive in:

  • Well-draining, rocky or sandy soils
  • Areas with morning sun and afternoon shade
  • Locations that receive some supplemental water during dry spells
  • Native plant gardens designed to mimic California’s natural habitats

The Responsible Approach to Growing Rare Plants

Important: Due to its imperiled status, we strongly recommend that anyone interested in growing little purple monkeyflower only obtain seeds or plants through legitimate conservation organizations, native plant societies, or authorized botanical gardens. Never collect seeds or plants from wild populations, as this could push local populations closer to extinction.

Consider contacting:

  • California Native Plant Society chapters
  • Local botanical gardens with native plant programs
  • University extension programs focused on native plants
  • Authorized native plant nurseries that specialize in rare species

Supporting Conservation Beyond Your Garden

While growing little purple monkeyflower in your garden can be rewarding, supporting habitat conservation efforts will have a much larger impact on the species’ survival. Consider volunteering with local native plant societies, supporting land conservation organizations, or participating in citizen science projects that monitor rare plant populations.

The little purple monkeyflower reminds us that some of nature’s most precious treasures come in small packages. By growing this rare California native responsibly, you become part of a larger conservation story – one where gardeners play a crucial role in preserving botanical diversity for future generations.

Little Purple 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 purpureus A.L. Grant - little purple monkeyflower

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