Photo by Melody

PlantFiles: Allegheny Monkey Flower
Mimulus ringens

Family: Phrymaceae
Genus: Mimulus (MIM-yoo-luss) (Info)
Species: ringens (RIN-jens) (Info)

Synonym:Mimulus ringens var. ringens

10 vendors have this plant for sale.

4 members have or want this plant for trade.


6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

24-36 in. (60-90 cm)
36-48 in. (90-120 cm)

USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:
Sun to Partial Shade


Bloom Color:

Bloom Time:
Late Spring/Early Summer
Mid Summer


Other details:
Requires consistently moist soil; do not let dry out between waterings

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:

Propagation Methods:
By dividing the rootball
From softwood cuttings
From seed; direct sow outdoors in fall
From seed; direct sow after last frost

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds

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to view:

By scooterbug
Thumbnail #1 of Mimulus ringens by scooterbug

By kennedyh
Thumbnail #2 of Mimulus ringens by kennedyh

By Prism
Thumbnail #3 of Mimulus ringens by Prism

By scooterbug
Thumbnail #4 of Mimulus ringens by scooterbug

By Prism
Thumbnail #5 of Mimulus ringens by Prism

By Kim_M
Thumbnail #6 of Mimulus ringens by Kim_M

By jg48650
Thumbnail #7 of Mimulus ringens by jg48650

There are a total of 13 photos.
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2 positives
1 neutral
No negatives

Gardeners' Notes:

Positive Malus2006 On Apr 8, 2008, Malus2006 from Coon Rapids, MN (Zone 4a) wrote:

So far this is the best monkeyflower I have grown here in Minnesota - the few other species I had tried died. Any water plant is invasive no matter what because water levels tend to changes on a large basis than most people realize and then the plant have to adapts by growing toward the new water level - plants that stay in one spot and germinate poorly will get flooded or dry out. My plant have come up even thought most of its base is above the soil surface because I had a premold bog garden that were very small (depth were four inches so not plenty of soil) but still it goes on. I will rate this as a partial shade but it will flops over and need supports.

Neutral scooterbug On Jan 29, 2004, scooterbug from Tellico Plains, TN (Zone 7b) wrote:

Native to: Eastern USA
Zone: 3 - 7

Winter hardy: Yes
Water depth: 3" - 6"

Pond size: Medium to Large
Flowers: Yes, violet to white

Height: 30" - 36"
Spread: 12"

Pests: Susceptible to fungal rot
Sunshine: Full to Partial
.......... "Allegheny Monkey Flower" can be found growing wild along water ways. Mimulus ringens is a annual invasive plant that reproduces from seed. Thin plants that are growing at the ponds edge before they drop seed to keep their numbers under control. Plant in early spring at the ponds edge or directly in the pond utilizing baskets at a maximum depth of 6". Remove any dead or dying foliage and flowers as it appears.

Positive Prism On Jan 27, 2004, Prism from Saint Peters, MO (Zone 6a) wrote:

Very tiny dust-like seeds. Quick germination. Started in baggie with sand 1-9-04, 30 cells filled between 1-21 & 1-27-04. Many seedlings per cell. See 9 cells in picture posted above. Don't know how I'm going to separate them. :)


This plant has been said to grow in the following regions:

Westchester, Illinois
Chesterton, Indiana
Olney, Maryland
Erie, Michigan
Pinconning, Michigan
Saint Helen, Michigan
Minneapolis, Minnesota
Cole Camp, Missouri
Saint Peters, Missouri
Frenchtown, New Jersey
Chapel Hill, North Carolina
Elizabeth City, North Carolina
Raleigh, North Carolina
Thomasville, North Carolina
Sherwood, Oregon
Millersburg, Pennsylvania
Viola, Tennessee
Leesburg, Virginia
Pewaukee, Wisconsin

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