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Annual Biennial

Tropaeolum majus Whirlybird Series
  • RHS AGM

nasturtium Whirlybird Series

spreading annuals with rounded light green leaves and single or semi-double flowers to 5cm across, in shades of yellow, orange, red and mahogany

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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
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Orange Red Yellow Green
Autumn Orange Red Yellow Green
Winter
Position
  • Full sun
Aspect

West–facing or East–facing

Exposure
Exposed or Sheltered
Hardiness
H3
Botanical details
Family
Tropaeolaceae
Native to the UK
No
Foliage
Deciduous
Habit
Bushy
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

Grow in poor, moist but well-drained soil in full sun

Propagation

Propagate by seed sown in mid spring

Suggested planting locations and garden types
  • Coastal
  • Patio and container plants
  • City and courtyard gardens
  • Cottage and informal garden
  • Banks and slopes
  • Flower borders and beds
  • Garden edging
Pruning

Cut back after flowering

Pests

Caterpillars, blackfly, flea beetles and slugs may be troublesome

Diseases

May be subject to a virus

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