Primrose Monkeyflower

(Erythranthe primuloides)

Primrose Monkeyflower (Erythranthe primuloides)

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Estimated Native Range
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Summary

Erythranthe primuloides, commonly known as Primrose Monkeyflower, is a perennial herb native to moist mountain meadows, streambanks, and wet areas in the Western United States. It is part of the Phrymaceae family and thrives in its natural habitat, which includes the Sierra Nevada and Rocky Mountains. This plant typically forms low patches or mosslike mats, spreading through rhizomes and stolons. The Primrose Monkeyflower is characterized by its bright yellow flowers, which can be up to 2 centimeters long and are highly attractive to pollinators. The blooms feature an upper lip with two lobes and a lower lip with three lobes, the latter often dotted with red, creating a striking contrast. Flowering occurs from late spring to early summer, adding a splash of color to garden settings.

The Primrose Monkeyflower is valued for its vibrant flowers and ability to form attractive ground covers in moist garden areas. It is ideal for planting in water gardens, along streambanks, or in other damp locations where its high water needs can be met. While it prefers full sun or part shade, it requires consistently moist soil with medium to slow drainage to thrive. Gardeners should be aware that in drier conditions, supplemental watering will be necessary to maintain its lush appearance. Despite its beauty, this plant can be susceptible to root rot if drainage is inadequate.CC BY-SA 4.0

Plant Description

  • Plant Type: Herb
  • Height: 0.2-0.4 feet
  • Width: 0.5-2 feet
  • Growth Rate: Moderate
  • Flower Color: Yellow
  • Flowering Season: Spring
  • Leaf Retention: Deciduous

Growth Requirements

  • Sun: Full Sun, Part Shade
  • Water: High
  • Drainage: Medium

Common Uses

Bee Garden, Bird Garden, Butterfly Garden, Hummingbird Garden, Low Maintenance, Rock Garden, Showy Flowers, Water Garden

Natural Habitat

Moist mountain meadows and streambanks in the Western United States, including the Sierra Nevada and Rocky Mountains

Other Names

Common Names:

Scientific Names: , Mimulus primuloides, Erythranthe primuloides, Mimulus primuloides var. primuloides, Mimulus primuloides var. pilosellus, Mimulus primuloides subsp. primuloides, Mimulus pilosellus, Mimulus nevadensis, Mimulus primuloides var. minimus,

GBIF Accepted Name: Erythranthe primuloides (Benth.) G.L.Nesom & N.S.Fraga