Mimulus Species, Allegheny Monkey Flower, Square-Stemmed Monkeyflower

Mimulusringens

Genus
Mimulus (MIM-yoo-luss)
Species
ringens (RIN-jens)
Synonym
Mimulus minthodes
Mimulus pallidus
Sun Exposure
Sun to Partial Shade
Foliage
Herbaceous
Textured
Velvet/Fuzzy
Height
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
Spacing
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
Hardiness
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)
Danger
N/A
Bloom Color
Blue-Violet
Lavender
Medium Purple
Bloom Time
Late Spring/Early Summer
Mid Summer
Other Details
Category
Perennials
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Non-patented
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
Regional

This plant is said to grow outdoors in the following regions:

Westchester, Illinois

Chesterton, Indiana

Olney, Maryland

Erie, Michigan

Pinconning, Michigan

Saint Helen, Michigan

Minneapolis, Minnesota

Saint Paul, Minnesota

Cole Camp, Missouri

Saint Peters, Missouri

Frenchtown, New Jersey

Chapel Hill, North Carolina

Elizabeth City, North Carolina

Raleigh, North Carolina

Thomasville, North Carolina

Columbus, Ohio

Sherwood, Oregon

Millersburg, Pennsylvania

Viola, Tennessee

Leesburg, Virginia

Pewaukee, Wisconsin

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Gardener's Notes:

3
positives
1
neutral
0
negative
Sort By:
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G
G
Saint Paul, MN | June 2015 | positive

This plant volunteered in a bog planting I have in my yard. It took me awhile to figure out what it was but I like it. I have grown it ...Read More

M
Coon Rapids, MN (Zone 4a) | April 2008 | positive

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...Read More

S
Tellico Plains, TN (Zone 7b) | January 2004 | neutral

Native to: Eastern USA
Zone: 3 - 7

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

Pond size: Medium ...Read More

P
P
Saint Peters, MO (Zone 6a) | January 2004 | positive

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 ...Read More

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