Erythranthe naiandina

RHS Plant Profile
Chilean monkey flower

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Chilean monkey flower RHS
Chilean monkey flower RHS

Synonyms

Mimulus 'Andean Nymph', Mimulus naiandinus

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Alpine Rockery Herbaceous Perennial
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A low-growing, spreading perennial, to 20cm high, with hairy, sparsely-toothed, pale to mid-green leaves. The trumpet-shaped flowers borne in summer are white to cream-coloured overlaid with a pink to purple flush and spotted purple

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Chalk Clay Loam Sand
Moisture
Moist but well–drained or Poorly–drained
pH
Acid or Alkaline or Neutral

Position

Full sun Partial shade
Aspect
West–facing or South–facing or East–facing
Exposure
Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H4

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Phrymaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Matforming
Genus
A genus of over 120 annuals or herbaceous perennials, many of which tolerate wet soils or even shallow water. Flowers are red, pink or yellow and some have a musky fragrance. They are a key food source for some species of butterflies and moths
Name Status
Correct

How to Grow

Cultivation

Prefers moisture retentive soils in sun or partial shade. Short-lived and often grown as an annual

Propagation

Propagate by seed or by division

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Patio and container plants
  • Rock garden
  • Flower borders and beds

Pruning

No pruning required

Pests

slugs and snails may be a problem

Diseases

May be susceptible to Powdery mildews