Alphabetical Plant Listing

Mimulus lewisii (Purple Monkey Flower)

Purple Monkey Flower, Great Purple Monkey Flower, Lewis Monkey Flower, Lewis's Monkey Flower, Erythranthe lewisii


Native to western North America, award-winning Mimulus lewisii (Purple Monkey Flower) is an upright herbaceous perennial with broadly lance-shaped, coarsely toothed, gray-green leaves without petioles, 1-3 in. long (2-7 cm). They provide an excellent foil for the snapdragon-like, brilliant pink to reddish-purple flowers, marked with maroon blotches in the throat. Blooming from early summer to early fall, the 2-lipped tubular flowers, 2 in. long (5 cm), are borne solitary in the leaf axils. They attract hummingbirds and butterflies. Purple Monkey Flower is among the most handsome of mountain wildflowers. It is perfect for a wet area of the garden and along ponds and streams.

  • Winner of the prestigious Award of Garden Merit of the Royal Horticultural Society for its noteworthy qualities.
  • Grows up to 1-3 ft. tall (30-90 cm) and 1-2 ft. wide (30-60 cm).
  • Best in full sun or light shade in fertile, humus-rich, very moist soil.
  • No serious pest or disease issues. Deer resistant.
  • Cut back after flowering.
  • Propagate by seed sown in spring or by root division.
  • Native to western North America from Alaska to California to Colorado.

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Requirements

Hardiness 5 – 8
Heat Zones 5 – 8
Climate Zones 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 14, 15, 16, 17, 18, 19, 20, 21
Plant Type Perennials
Plant Family Mimulus - Monkey Flowers
Exposure Full Sun, Partial Sun
Season of Interest Summer (Early,Mid,Late)
Fall
Height 1' – 3' (30cm – 90cm)
Spread 1' – 2' (30cm – 60cm)
Spacing 18" (45cm)
Water Needs High
Maintenance Low
Soil Type Clay, Loam
Soil pH Acid, Alkaline, Neutral
Soil Drainage Poorly Drained
Characteristics Plant of Merit, Showy
Native Plants United States, Alaska, California, Pacific Northwest, Idaho, Oregon, Washington, Rocky Mountains, Colorado, Montana, Utah, Wyoming, Southwest, Nevada
Tolerance Deer, Wet Soil
Attracts Birds, Butterflies, Hummingbirds
Garden Uses Beds and Borders
Garden Styles Informal and Cottage

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Robert Mutch (Shutterstock)

While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


Requirements

Hardiness 5 – 8
Heat Zones 5 – 8
Climate Zones 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 14, 15, 16, 17, 18, 19, 20, 21
Plant Type Perennials
Plant Family Mimulus - Monkey Flowers
Exposure Full Sun, Partial Sun
Season of Interest Summer (Early,Mid,Late)
Fall
Height 1' – 3' (30cm – 90cm)
Spread 1' – 2' (30cm – 60cm)
Spacing 18" (45cm)
Water Needs High
Maintenance Low
Soil Type Clay, Loam
Soil pH Acid, Alkaline, Neutral
Soil Drainage Poorly Drained
Characteristics Plant of Merit, Showy
Native Plants United States, Alaska, California, Pacific Northwest, Idaho, Oregon, Washington, Rocky Mountains, Colorado, Montana, Utah, Wyoming, Southwest, Nevada
Tolerance Deer, Wet Soil
Attracts Birds, Butterflies, Hummingbirds
Garden Uses Beds and Borders
Garden Styles Informal and Cottage

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