Erythranthe cuprea 'Whitecroft Scarlet'

RHS Plant Profile
monkey flower 'Whitecroft Scarlet'

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Synonyms

Mimulus 'Whitecroft Scarlet', Mimulus cardinalis 'Wheatcroft Scarlet', Mimulus cupreus 'Whitecroft Scarlet'

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Alpine Rockery Herbaceous Perennial
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A short-lived spreading herbaceous perennial to 20cm in height, with toothed, oval leaves and bright scarlet, trumpet-shaped flowers 4cm in length throughout summer months

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

Up to 10 cm

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
Up to 10 cm

Growing Conditions

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

Position

Full sun Partial shade
Aspect
South–facing or East–facing or North–facing or West–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
Spreading branched
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
Accepted

How to Grow

Cultivation

Prefers very moist soils in sun or partial shade. Short-lived

Propagation

Propagate by seed or division in spring

Suggested planting locations and garden types

  • Cottage and informal garden
  • Rock garden
  • Flower borders and beds
  • Garden edging
  • Ground cover

Pruning

No pruning required

Pests

slugs and snails may be a problem

Diseases

May be susceptible to Powdery mildews