why are the leaves of my plant turning black?
6215
Improper watering causes plants leaves to turn black and drop prematurely, but this can happen if you water too much, and can also happen if you water too little. ... Ensure the soil around the plant remains evenly moist at all times, and when the top 1 to 1 1/2 inches of the soil feels dry, you know you're good to water.
331708
Curling leaves can be a sign of virus. When black spots appear on the surface of the leaves, it means that parasitic fungi attacked your Kalanchoe. This can occur at extremely low temperatures and excessive watering when the soil does not have time to dry out.
314063
There are many reasons why a tomato plant's leaves turn yellow. Under-watering and over-watering can both cause yellowing leaves, as well as nitrogen deficiencies in the soil, a lack of sunlight on the bottom leaves, or a possible disease (which tomatoes have plenty of).
1079520
2) Lack of Sunlight: Since plants differ on how many hours of direct sunlight they need, lack of sunlight is another common reason leaves turn yellow. If you know you're watering your plant correctly, it might be time to adjust the location of the plant if possible.
355487
Succulents can start to drop their leaves if they're kept in low light conditions for too long. You'll know that your plant has this issue if it looks tall and stretched out. ... So if your plant seems to be growing sideways to get closer to a window, that's another sign that lack of light is the problem.
795021
Fungi. Fungal disease can cause black spots on jade plant leaves. Due to their succulent tissues, jade plants are less troubled by fungal disease than many other types of plants; however, anthracnose and other fungal diseases can disfigure jade plants when humid conditions prevail.
899072
A lack of light can also cause the leaves to turn brown: if the lower leaves are dying off while new growth at the branch tips appears to be reaching for the window or light source then you have insufficient light and you need to move the plant to a brighter window or supply supplementary light from a grow light.
1035305
Gardenias appreciate consistency, and changing your watering schedule can cause the leaf tips to turn black. This can mean overwatering or underwatering. ... Room-temperature water is best, and if you suddenly add hot or cold water, it can shock the plant and cause the leaves to react.
1011856
These houseplants thrive in many types of light but excess light can cause the leaves to burn and no light will gradually weaken the plant with signs showing up first with leaves turning yellow on spider plant. ... Excess minerals in the tap water can also cause discolored leaves.
665369
Cause. The blackening of the leaves is usually caused by root stress due to excess moisture levels in the soil during cold, wet winters. Other forms of stress, including root diseases (mainly phytophthora root rots) might also be involved.
1302684
It sounds like your plants might have phytophthora blight, which is a fungal disease that causes black spots on the leaves, black streaking on the stems and leaves that often turn reddish in summer. When an infection is bad enough, the leaves turn black almost all over, curl up and die.
227726
Water stress This can mean too much or too little moisture. Plants should not be standing in a saucer of water and they need high enough humidity to avoid leaf tip burn. Overwatering is a cause of spider plant leaves turning black or dark brown. The soil should dry out slightly between irrigations.
642181
Yellowing leaves usually indicates the plant is suffering from a nutrient deficiency. Over-watering can cause yellowing too, and it can exacerbate nutrient deficiencies as nutrients are flushed out of the soil. ...
698125
Dehydration: The most typical reason your plant's leaves turned yellow is because of water, but it's tricky to understand whether you are over-watering or under-watering the plant. Often the leaves of plants that are under-watered will be crispy with a slight curl to the leaf while over-watered leaves will be limp.
811466
The Phyllosticta leaf spots disease (Phyllosticta argyrea) causes black or light to dark brown spots to appear on foliage. As the disease progresses, black fungal spores form in the centers of the spots. Serious cases may result in the leaves turning yellow and falling from the plant.
462459
Hydrangeas love water, but excessive irrigation or wet foliage injures plants. Insufficient water causes leaves to turn black or brown. ... Too much water at the root zone, combined with a poorly draining site, causes root rot that promotes black spots on leaves.
122647
It is caused by the fungus Sclerotinia sclerotiorum. This disease can present itself while the plants are still small or during bloom. It can originate in the soil and form black areas on the roots and plant crown after the plant dies.