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Primrose Monkeyflower
Mimulus primuloides
About Primrose Monkeyflower (Mimulus primuloides) Nurseries Show All Photos Mimulus primuloides is a species of monkeyflower known by the common name primrose monkeyflower. It is native to the western United States, where it grows in wet habitat in mountains and plateau areas, such as streambanks. It is a perennial herb growing in low patches or mosslike mats and spreading via rhizome and stolon. The stem is no more than about 12 centimeters long. The oppositely arranged leaves are variable in shape, variable in color from green to purple-green, shaggy-hairy to hairless, and up to 5 centimeters long. The flower arises on an erect pedicel. The tubular base of the flower is encapsulated in a hairless calyx of sepals. The bright yellow flower is up to 2 centimeters long. It is divided into an upper lip with two lobes and a lower lip with three. Each of the three lower lobes are usually dotted with red.
Plant Description
Plant Type
Perennial herb

Max. Height
0.4 - 1.5 ft (0.12 - 0.46 m)


Growth Rate

Flower Color
Red, Yellow

Flowering Season
Spring, Winter

Native Status

Natural Setting
Site Type
Wet meadows, seeps, streamsides


Elevation ?
178' - 14090'

Annual Precip. ?
4.4" - 128.0"

Summer Precip. ?
0.30" - 4.29"

Coldest Month ?
10.8° F - 61.4° F

Hottest Month ?
34.1° F - 88.8° F

Humidity ?
0.40 vpd - 22.91 vpd

Soil Description
Prefers loamy or clay soils. Grows poorly in sandy soils.

Landscaping Information
Water Requirement ?
Moderate - High
Extremely Low
Very Low
Moderate - High

Propagation ?
For propagating by seed: No treatment.

Common uses
Hummingbird Gardens, Bird Gardens, Butterfly Gardens, Bee Gardens

Nursery Availability
Sometimes Available

Other Names
Botanical Names
Diplacus primuloides

Common Names
Yellow Creeping Monkey-flower

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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