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Herbaceous Perennial

Mimulus luteus

yellow monkey flower

A deciduous, spreading, self-seeding perennial that grows to 30cm in height with small oval green leaves. In late spring to summer, bright yellow flowers with red or purple spots on the petals appear

Other common names
blood-drop-emlets
monkey musk
see moreyellow musk
Synonyms
Erythranthe lutea
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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Poorly–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Yellow Green
Summer Yellow Green
Autumn Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

South–facing or West–facing or East–facing

Exposure
Sheltered
Hardiness
H4
Botanical details
Family
Phrymaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Clump forming, Spreading branched
Genus

Mimulus can be annuals, perennials or evergreen shrubs, with paired leaves and 2-lipped tubular or trumpet-shaped flowers in terminal racemes or in the leaf axils

Name status

Correct

Plant range
South America

How to grow

Cultivation

Grow in fertile, very moist soil in sun or partial shade, ideal for damp beds or bog gardens

Propagation

Propagate by seed

Suggested planting locations and garden types
  • Cottage and informal garden
  • Flower borders and beds
Pruning

No pruning required - just cut back old growth at the end of the season

Pests

May be susceptible to damage by slugs and snails

Diseases

May be susceptible to powdery mildews

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