Why the leaves turn yellow at the orchid: what to do?
Florists appreciate the orchid for its delicate and delicate beauty. But such fragile elegance must be protected and properly looked after. Therefore, if you see that the leaves of the orchid began to turn yellow, you need to immediately take action. We tell you what!
Orchids turn yellow leaves: causes and solutions
Purchase in the midst of flowering
Most beginning gardeners make the same mistakes after buying an already blooming orchid in the store. No need to try to preserve the beauty of the flower, which is already under stress due to a change of scenery. Let him adapt to a new place without sudden changes, excessive watering and constant feeding. It’s best to send the flower to quarantine for two weeks and just watch its condition.
Poor water quality
If the water for irrigation is too hard, over time it causes leaf chlorosis. The plates turn yellow, but the veins remain bright and green. In this case, you need to transplant the orchid into a new soil, feed it with specialized preparations and use distilled, melt or well-defended water for irrigation.
Trying to give the orchid as much moisture as possible, beginners often overflow it. Because of this, the soil becomes too dense, air does not penetrate there, the roots rot and the leaves turn yellow. Urgently reduce watering if the leaves seem to soften, and the roots or stem darken. Control the humidity of the substrate in depth with a wooden stick.
Lack of moisture
Moisture deficiency is also fraught with problems, because the orchid simply begins to dry out. It may be too rare watering or too powerful drainage. Urgently increase the amount of watering, and indoor flowerpots can also be put in a basin with warm water for 20-30 minutes.
To prolong the beautiful flowering of orchids, many begin to regularly feed her. But an excess of fertilizers leads to the fact that the plant begins to die. For example, the tips of the leaves turn yellow due to overfeeding the orchid with calcium.
Flowering ornamental plants must be fed according to the schedule, so that they grow leaves and buds. Yellowish, uneven spots on orchid leaves may indicate a lack of nutrition. Together with the leaves, the lower shoots gradually turn yellow and die, if the situation is not corrected in time.
Tropical orchids love a humid warm climate, and the air in our latitudes is much drier. Especially this problem is often found in indoor flowerpots, which are on the windowsill near the stove or above the radiator. If you see that the leaves began to turn yellow and dry, buy a moisturizer, put a bowl of water next to it, or spray an orchid from a spray bottle.
Orchid is quite moody, and different varieties have different lighting requirements. Some people need a bright sun, and others need a partial shade, so be sure to make sure that your flower grows where it is necessary for him. Due to the lack of sun in the tissues of the orchid, the green pigment is worse produced, and due to an excess, sunburn appears. In the first case - the leaves turn yellow more evenly, and in the second - pointwise, in the place of the burn.
Rotting of the root system manifests itself in different ways, but in many varieties of orchids, just because of this, the leaves begin to turn yellow. Most often, the cause is overflow or overmoistening. In this case, you need to quickly remove the orchid from the pot, get rid of the old soil as much as possible and cut off the rotting roots.
Treat all slices with crushed coal, brilliant green or a special antiseptic, and then transplant into new soil. For some time, the yellow leaves will fall, but healthy ones will grow in their place.
Pests and parasites
On the leaves of orchids, spider mites and aphids adore settling, and they hide on the back side. If they still have a strange coating and stickiness, check the plates from all sides. When brown growths are added to it, this is a scab, which is attracted by succulent leaves.
Yellow, brown spots and a silver coating reminiscent of spraying are true signs of thrips. And if complete with yellowness is the deformation of sheet plates - most likely these are nematodes. Gently wash the orchid with soapy water and treat it with insecticides!
Diseases and infections
If the rounded yellow spots gradually darken and spread over all leaves and stems - most likely, this is a fungus. The most common orchid problems are anthracnose, powdery mildew, and gray rot. All of them are treated the same way: by radical pruning of diseased areas and treatment with fungicides.
Bacterial spotting appears as dark yellowness on soft leaves. Basically, it affects old plates, so it’s enough to cut them and treat the cut with coal or iodine. And if a virus is suspected, the orchid needs to be immediately evicted from others and treated with antibiotics. Even quick action may not help in this case, but viruses are quite rare.
All leaves have their own life cycle, and they gradually age and fade. In this case, the lower leaves are the first to die, and they begin to turn yellow from the edges. Most often, this process is repeated after flowering, in early spring or winter.
Another possible reason is adaptation to a sharp change in conditions, but then young and green should soon appear after dead leaves. In this case, if the other conditions are exactly in order, you also do not need to do anything.
What to do so that the leaves of the orchid do not turn yellow?
If the problem is improper care of the orchid, then you need to establish a healthy regimen as soon as possible. When the problem is a fungus or infection, quickly remove the damaged fragments and treat the plant with fungicides. But if the matter is a virus or a root rot, the orchid, unfortunately, is better to destroy.