Why do nasturtium leaves turn yellow

Sofia wants to get an answer to the question: "Why do nasturtium leaves turn yellow?"

This bright perennial was brought to Europe from South and Central America. In our country, it does not tolerate winter and is therefore considered an annual plant.


This is the second name of nasturtium, more accepted in European countries. For landscaping, the flower is universal - it can spread along the carpet, braid arbors and walls, inhabit hollow stumps, decorate balconies.

The main thing is to correctly determine the variety. In domestic landscape design, they mainly use large nasturtium, cultural nasturtium and foreign nasturtium.

Capuchin petals can be smooth, terry or semi-double. The color scheme is a warm spectrum: from yellow and pink to scarlet and brown-red.

Among nasturtiums, both small (up to 20 cm) and giant (up to 2.5 m) specimens are found.

Garden pests fragrant flower do not bypass their attention. Among the natural enemies of nasturtiums, aphids, cabbage moths, a bear, a spider mite, a whitefly and a cruciferous flea are seen.

Harmful insects are eliminated manually or destroyed by insecticides.

Yellow leaves

Nasturtium is a grassy culture with "wax" leaves that look like shields. The natural color of the leaf is green, sometimes with a reddish tint. There are variegated capuchins.

If you notice yellowness on the lower leaves, you can not worry: this is the physiological age of the tops. An alarm should be struck only with yellowing of the upper leaves.

This nasty nasturtium troubles with improper care. There may be several reasons:

  • burn from scorching sunlight;
  • waterlogging of the soil;
  • mineral deficiency in the soil;
  • lack of lighting;
  • disease (mosaic of nasturtium).

If nasturtium is ill, it is necessary to pick off and burn diseased leaves, and spray the entire plant with special preventive solutions.

The lack of fertilizer can be made up by introducing Kemira Suite or azofoski.

In order to avoid burns, young capuchins must be hidden from the sun.

Unfortunately, in particularly dry years, no one is safe from falling and yellowing leaves. High temperature provokes the early flowering of nasturtium a month before the usual time, which leads to its premature wilting. You can also find out why petunia seedlings wither.

In order to eliminate any problems with breeding nasturtiums in the future, you need to follow a few simple rules:

  • a plant in the garden is sown in well-heated soil, on the balcony - not earlier than April;
  • nasturtium has extremely vulnerable roots, so peat glasses should be taken for seedlings;
  • nasturtium loves light: when it is lacking, it withers and does not bloom;
  • capucin needs potassium and phosphorus, but does not tolerate manure;
  • in the vegetation stage of nasturtium, good and timely watering is required;
  • as soon as the first flowers appear, watering should be minimized.

All this will allow you to grow healthy flowers with strong green leaves.


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