EVERGREEN

Plant Encyclopedia

Tropaeolum majus

Tropaeolum majus (garden nasturtium, "Nozenharen")

Japanese name: ノウゼンハレン (凌霄葉蓮)
Scientific name: Tropaeolum majus

Tropaeolum majus

[Overview]
A climbing annual.
Long-growing plants can reach 3 m.
The stems and leaves are fleshy and succulent, and the whole plant is hairless.
It has long petioles, with which it twines around anything it touches and climbs.
The leaves are simple and alternate, round, peltate, with entire margins.
The flowers are borne singly in the leaf axils on long flower stalks.
The flowers are 5-petaled, 5–6 cm across, and yellow to orange.
The petals are rounded, and the upper 2 petals are somewhat smaller.
The base of the petals is claw-like.
There are 8 stamens.
The fruit is hard, and its skin is corky and wrinkled.

[Uses]
The leaves have a distinctive pungency and aroma and are used in salads.
The young green buds are sometimes used as a substitute for capers.
The flowers are also used in salads and other dishes.

[Cultivation]
Propagate from seed.
It prefers a sunny, somewhat dry place.
It is easy to grow, but when sown in autumn, care is needed against winter frost and cold wind.

[Notes]
Because the leaf shape resembles a knight's shield, it is regarded as a flower of victory in battle.

Details

Names
English: garden nasturtium, Indian cress, monks cress
Japanese: ノウゼンハレン(凌霄葉蓮)、キンレンカ(金蓮花)、ナスタチュウム、ナスタチウム
Life form
Herbaceous climber
Habit
Terrestrial
Planting (or sowing) season
April, May, September, October
Flowering season
June, July, September, October
Distribution or origin
Peru, Colombia
Growth form
Climbing
Leaf shape
Simple leaf (unlobed)
Leaf arrangement
Alternate
Leaf margin
Entire
Inflorescence
Solitary
Number of petals
5
Flower color
Yellow, Orange
Flower diameter
50–60
Leaf color
Green
Availability of seeds and plants
Low
Form sold
Seedlings
Propagation
Seed
Sun exposure
Full sun, Partial shade
Water needs
Moderate
Soil needs
Required
Suitable uses
Potted plant, Flower bed, Container, Balcony, Hanging basket
Pests
Spider mites, Slugs
Taste
Pungency
Edible parts
Leaves, Flowers
Uses
Edible
Japan Flower Trade Code
22852

Translated from our Japanese encyclopedia. If anything differs, the Japanese page is correct.

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