North America Native Plant

Allegheny Monkeyflower

Botanical name: Mimulus ringens var. ringens

USDA symbol: MIRIR

Life cycle: perennial

Habit: forb

Native status: Native to Canada âš˜ Native to the lower 48 states  

Synonyms: Mimulus minthodes Greene (MIMI14)  âš˜  Mimulus pallidus Salisb. (MIPA12)  âš˜  Mimulus ringens L. var. congesta Farw. (MIRIC2)  âš˜  Mimulus ringens L. var. minthodes (Greene) A.L. Grant (MIRIM)   

Allegheny Monkeyflower: A Native Gem for Wet Gardens If you’re looking for a charming native perennial that thrives in those tricky wet spots in your garden, meet the Allegheny monkeyflower (Mimulus ringens var. ringens). This delightful North American native might just be the perfect solution for your rain garden, pond ...

Rare plant alert!

Region: Arkansas

Status: S1S2: Status is uncertain but is somewhere between the following rankings: Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ 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) ⚘

Allegheny Monkeyflower: A Native Gem for Wet Gardens

If you’re looking for a charming native perennial that thrives in those tricky wet spots in your garden, meet the Allegheny monkeyflower (Mimulus ringens var. ringens). This delightful North American native might just be the perfect solution for your rain garden, pond edge, or that perpetually soggy corner of your yard that seems impossible to landscape.

What Makes Allegheny Monkeyflower Special?

The Allegheny monkeyflower is a true native treasure, naturally occurring across a vast range from Canada down through most of the lower 48 states. This herbaceous perennial belongs to the snapdragon family and produces lovely purple-blue tubular flowers that bloom from summer through fall, creating a long season of color when many other plants are winding down.

As a forb (that’s botanist-speak for a non-woody flowering plant), this monkeyflower typically grows 2-3 feet tall and spreads about 1-2 feet wide, forming attractive clumps over time. The flowers have that classic monkey face appearance that gives monkeyflowers their whimsical name – if you look closely, you might just see it!

Where Does It Grow Naturally?

This adaptable native has one of the most impressive natural distributions you’ll find. From Alberta and Manitoba in Canada, all the way down to Texas and Florida, and from coast to coast, the Allegheny monkeyflower has made itself at home across North America. You’ll find it naturally growing in states including Alabama, Arkansas, California, Colorado, Connecticut, Delaware, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, New Hampshire, New Jersey, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Vermont, Virginia, Washington, West Virginia, and Wisconsin, plus several Canadian provinces.

A Note About Conservation

Before we dive into growing tips, it’s important to mention that in Arkansas, the Allegheny monkeyflower has a rarity status of S1S2, meaning it’s quite rare in that state. If you’re planning to add this beauty to your garden, please make sure to source your plants or seeds from reputable native plant nurseries that practice responsible collection methods. Never collect plants from the wild!

Perfect for Wet Garden Situations

Here’s where the Allegheny monkeyflower really shines – it absolutely loves wet feet. This makes it perfect for:

  • Rain gardens and bioswales
  • Pond and stream edges
  • Bog gardens
  • Low-lying areas that stay moist
  • Native plant gardens
  • Naturalized landscapes

In your landscape design, use Allegheny monkeyflower as a mid-height perennial that bridges the gap between shorter groundcovers and taller background plants. It works beautifully in informal, naturalistic designs and adds vertical interest with its upright flower spikes.

Growing Conditions and Care

The good news is that once you understand this plant’s preferences, it’s quite easy to grow. Here’s what your Allegheny monkeyflower needs to thrive:

Light: Full sun to partial shade (it’s quite adaptable!)

Soil: Consistently moist to wet soils. It can handle clay, loam, or even sandy soils as long as moisture is present.

Hardiness: USDA zones 3-9, making it suitable for most of the continental United States

Water: This is the key – keep it moist! It’s one of the few perennials that actually prefers to have wet feet year-round.

Planting and Care Tips

Plant your Allegheny monkeyflower in spring after the last frost, or in early fall to give it time to establish before winter. Space plants about 12-18 inches apart to allow for their natural spreading habit.

The best part about growing this native? It’s incredibly low maintenance once established. You won’t need to fertilize it (native plants rarely need extra feeding), and as long as you keep the soil moist, it should thrive with minimal intervention.

In late fall or early spring, you can cut back the spent stems to make room for new growth. The plant will readily self-seed in favorable conditions, which can help naturalize an area over time.

Benefits to Pollinators and Wildlife

Like many native plants, Allegheny monkeyflower is a pollinator magnet. Bees, butterflies, and other beneficial insects are drawn to its nectar-rich flowers. The long blooming period means it provides a reliable food source from summer through fall, when pollinators need it most.

The seeds also provide food for birds, and the plant structure offers shelter for small wildlife. By choosing native plants like Allegheny monkeyflower, you’re supporting the entire ecosystem in your backyard.

Should You Grow Allegheny Monkeyflower?

If you have a wet area in your garden that needs plants, or if you’re creating a rain garden or naturalized landscape, absolutely! This native perennial offers:

  • Beautiful, long-lasting blooms
  • Easy care once established
  • Excellent pollinator support
  • True native plant credentials
  • Tolerance for challenging wet conditions

Just remember to source your plants responsibly, especially given its rarity in some areas. Look for nurseries that specialize in native plants and ask about their sourcing practices. With proper care and the right growing conditions, Allegheny monkeyflower will reward you with years of beautiful blooms and the satisfaction of growing a true native treasure.

Allegheny 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 ringens L. - Allegheny monkeyflower

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