Tropaeolum majus
garden nasturtium
A strong-growing, annual climber which will scramble over the ground or up a support. Circular, wavy-edged leaves are supported, parasol-like, by a central stalk. The long-spurred flowers, in shades of red, yellow and orange, appear in summer and autumn. The whole plant has a sharp aroma
Size
Ultimate height
1.5–2.5 metresTime to ultimate height
1 yearUltimate spread
1.5–2.5 metresGrowing conditions
Moisture
°Â±ð±ô±ô–d°ù²¹¾±²Ô±ð»åpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Orange Red Yellow | Green | ||
| Autumn | Orange Red Yellow | Green | ||
| Winter |
Position
- Full sun
Aspect
West–facing or ³§´Ç³Ü³Ù³ó–f²¹³¦¾±²Ô²µ
Exposure
Exposed or Sheltered Hardiness
H3Botanical details
- Family
- Tropaeolaceae
- Native to GB / Ireland
- 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
Correct
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 seed
Suggested planting locations and garden types
- Cottage and informal garden
- City and courtyard gardens
- Gravel garden
- Patio and container plants
- Wildlife gardens
- Banks and slopes
- Flower borders and beds
- Wall side borders
Pruning
Deadhead to prolong 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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