Tropaeolum majus Whirlybird Series

RHS Plant Profile
nasturtium Whirlybird Series

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nasturtium Whirlybird Series www.gardenworldimages.com
nasturtium Whirlybird Series RHS 1999
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Annual Biennial
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Dwarf, bushy annuals to 24cm in height, with rounded light green leaves and non-spured, single or semi-double flowers to 5cm across, produced well above the foliage, in shades of yellow, orange, red, pink and mahogany

Position

Full sun

Soil Types

Clay, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

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

Growing Conditions

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

Position

Full sun
Aspect
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)
H3

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Tropaeolaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy
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

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

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

Diseases

May be susceptible to virus diseases