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Tropaeolum minus - L.

Common Name Dwarf Nasturtium
Family Tropaeolaceae
USDA hardiness 8-11
Known Hazards None known
Habitats Not known
Range S. America - Peru, Ecuador.
Edibility Rating    (4 of 5)
Other Uses    (0 of 5)
Weed Potential No
Medicinal Rating    (3 of 5)
Care
Half Hardy Moist Soil Full sun
Tropaeolum minus Dwarf Nasturtium


biolib.de
Tropaeolum minus Dwarf Nasturtium
biolib.de

 

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Summary


Physical Characteristics

 
Tropaeolum minus is a PERENNIAL.
It is hardy to zone (UK) 9 and is frost tender. It is in flower from July to September, and the seeds ripen from August to October. The species is hermaphrodite (has both male and female organs).
Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils. It cannot grow in the shade. It prefers moist soil.

Synonyms

Habitats

 Cultivated Beds;

Edible Uses

Edible Parts: Flowers;  Leaves;  Seed;  Seedpod.
Edible Uses: Condiment.

Leaves - raw[2, 27, 37]. A hot watercress flavour[183]. The leaves are very nice in small quantities on their own or as a flavouring in mixed salads, they are available from early summer until the first frosts of the autumn[K]. Flowers - raw[2, 27, 37, 183]. A very ornamental and tasty addition to the salad bowl, the flowers have a hot watercress flavour[7]. The flowers contain about 130mg vitamin C per 100g[218]. Young seed pods - raw[2, 27, 37]. These are even hotter than the flowers or leaves[K]. The seed pods can also be harvested whilst immature and pickled for use as a caper substitute[183]. Seed - raw or cooked. Very hot[K]. The mature seed can be ground into a powder and used as a pepper substitute[183].

Medicinal Uses



Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.

Antibiotic;  Antiseptic;  Aperient;  Diuretic;  Expectorant.

The whole plant is antibiotic, antiseptic, aperient, diuretic and expectorant[7, 21]. It is useful in breaking up congestion in the respiratory passages and chest during colds[21]. The juice or tea can be used as an external or internal antiseptic[21]. The plant has antibiotic properties towards aerobic spore forming bacteria[61], it is also said to have a beneficial effect on the blood by promoting the formation of blood cells[21].

Other Uses

Insecticide;  Repellent.

The growing plant attracts aphids away from other plants. Research indicates that aphids flying over plants with orange or yellow flowers do not stop, nor do they prey on plants growing next to or above the flowers[201]. An insecticide can be made from an infusion of leaves and soap flakes[201].

Cultivation details

Prefers a rich light well-drained soil in full sun or partial shade[37]. More and lusher leaves are produced when the plant is growing in a rich soil, though less flowers are produced[238]. When grown in a soil of low fertility the leaves are smaller and less lush, though more flowers are produced[200, K] The plant will also succeed in very poor soils[202]. Dislikes drought[37]. This species is not frost hardy in Britain but it is often grown in the flower garden as an annual when it will frequently self-sow[37]. In cold springs, however, the seed will often not germinate until mid or even late summer, which is too late to produce a reasonable crop[K]. There are some named varieties[183]. Grows well with radishes, cabbages and fruit trees, improving their growth and flavour[14, 20]. A good companion for many plants, keeping many harmful insects at bay and also improving the growth and flavour of neighbouring crops[201]. Aphids on nasturtiums indicate a lime deficiency in the soil[20]. Slugs and snails love eating this plant, so it can be grown to attract them away from other plants[201]. The caterpillars of the cabbage white butterfly can be a nuisance and often cause considerable damage to the leaves[219].

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Propagation

Seed - sow April in situ. The seed usually germinates within 2 weeks. Seed can also be sown in March in pots in a greenhouse and planted out in late spring or early summer.

Other Names

If available other names are mentioned here

Found In

Countries where the plant has been found are listed here if the information is available

Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status

IUCN Red List of Threatened Plants Status :

Related Plants

 

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Expert comment

Author

L.

Botanical References

200

Links / References

For a list of references used on this page please go here

Readers comment

   Sat Apr 19 2008

A wonderfully informative site. I have a keen interest in using plants for medicinal uses and mix my own creams for arthritis. I do not sell these commercially as what works for me may not work for others. You also have to be careful that allergies are not triggered. My Web site sells special interest DVD's along with other items. Some of the dvd's are about seasoal gardening and are very useful for beginers who are not sure of what to do and when.

Must Have It

   Mar 25 2013 12:00AM

'Aphids on nasturtiums indicate a lime deficiency in the soil[20].' I've had nasturtians almost utterly destroyed by aphids - and my garden is on chalk, so I don't think that there's a lime deficiency!

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