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Tropaeolum majus 'Hermine Grashoff' (d)
  • RHS Plants for pollinators

nasturtium 'Hermine Grashoff'

'Hermine Grashoff' is a trailing perennial to 20cm in height, with rounded or kidney-shaped leaves and double orange-scarlet flowers 6cm across

Synonyms
Nasturtium 'Hermine Grashoff'
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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
1–2 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring
Summer Orange Red Green
Autumn Orange Red Green
Winter
Position
  • Full sun
Aspect

West–facing or South–facing

Exposure
Exposed or Sheltered
Hardiness
H3
Botanical details
Family
Tropaeolaceae
Native to the UK
No
Foliage
Deciduous
Habit
Trailing
Potentially harmful
Skin allergen. Wear gloves and other protective equipment when handling
Genus

Tropaeolum can be annuals or perennials, bushy, trailing or climbing by twining stems, with simple or palmately lobed leaves and showy funnel-shaped flowers with five long-clawed petals and often a spur

Name status

Accepted

How to grow

Cultivation

Best grown in poor, well-drained soil in full sun, if the soil is too rich foliage will be produced at the expense of flowers

Propagation

Propagate by stem tip cuttings

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Patio and container plants
  • Flower borders and beds
Pruning

Cut back after flowering

Pests

May be susceptible to glasshouse whitefly and glasshouse red spider mite and whitefly

Diseases

May be susceptible to virus diseases

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