Clarkia amoena

RHS Plant Profile
satin flower

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satin flower Dorling Kindersley 2003
satin flower RHS

Other common names

farewell to Spring, godetia

Synonyms

Clarkia grandiflora
Godetia grandiflora

Annual Biennial
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An upright annual to 75cm, with lance-shaped leaves and leafy racemes of lilac or pink, sometimes white-centred, single or double flowers in summer

Position

Full sun, Partial shade

Soil Types

Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
1–2 years
Max Spread
0.1-0.5 metres
Max Height
0.5-1 metres

Growing Conditions

Loam Sand
Moisture
Moist but well–drained
pH
Acid

Position

Full sun Partial shade
Aspect
South–facing or West–facing or East–facing
Exposure
Exposed or 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)
H6

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Onagraceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Columnar upright
Genus
Clarkia are slender annuals with simple leaves and showy funnel-shaped or bowl-shaped flowers in lax racemes in summer
Name Status
Correct
Plant Range
Coastal N California

How to Grow

Cultivation

Grow in poor to moderately fertile, slightly acid, moist but well-drained soil in full sun or partial shade; avoid hot humid conditions. The photo shows Little Frills mixture

Propagation

Propagate by seed sown in-situ in early spring or autumn

Suggested planting locations and garden types

  • Cottage and informal garden
  • Cut flowers
  • Flower borders and beds

Pruning

Cut back after flowering

Pests

Generally pest-free

Diseases

Susceptible to foot rot and stem rot