What Do Yellow Spots on Leaves Indicate?

yellow spots on leaves

Yellow spots on leaves can mean several things. Any plant can get this condition, and if you notice this, it is crucial that you immediately do something to treat it. Sometimes, you will think that the cause is a mystery and what it indicates. Do not worry; you can try different ways one at a time and see if it improves what you do.

This condition can affect various kinds of plants and have many causes, including different fungal infections and diseases. Yellow spots on leaves should be treated immediately because this can interrupt the photosynthesis process and prevent plants from making the energy they need for developing. Take time to check on your plants regularly and look for any yellow spots. When you determine the location and shape of yellow spots, you can indicate easier and help you treat the problem. If you use fungicides, make sure that you use gloves and protective gear. Also, store the chemicals in a safe place where children and pets cannot reach.

Even with determining what the problem is, you should know that leaves will fall off soon. Never worry because if the plant is healthy, new leaves will possibly grow next season. Be patient when growing plants, and do your best to eliminate the yellow spots that can ruin your plant’s growth and development.

What Causes Yellow Spots on Leaves

The first thing to look at is to find where yellow spots occur, as this can help you determine what it indicates and cause. Powdery mildew is a common disease, and it will target the older leaves first and affects the younger leaves next. Powdery mildew can also cause yellow spots that occur on the lower and upper surfaces of the leaves. To help you with yellow spots here is some indication of why your plants are experiencing this. It will help you determine and solve the problem before it becomes too late.

Moisture Stress

Not watering and too much watering of your plants is the most common cause of yellow spots on the leaves. Suppose you have potted plants, water only the sufficient amount the plant needs to not drown in water. Check the soil if it is soaked or dry, as this can be why leaves have yellow spots. 

If your plants do not get enough water, it will drop leaves as a sign to conserve water. And, before they slowly fall, it will first turn to yellow. If your soil is dry and the leaves are becoming yellow, make sure to plant them regularly. The best thing to do is to create your watering schedule routine. Also, too much water can damage the leaves. If the soil cannot drain well, your plant’s root will drown, and the leaves will overdose of water. The oxygen cannot circulate well in the roots, and it will eventually die. 

Normal Aging

Plants age, and as a sign, the leaves will sag and turn to yellow color. It will eventually fall off, but this is just normal and part of their lives. Do not worry about this, and if the plant becomes lengthy, you can trim some stem to promote new bushes and growth.

Cold Draft

Tropical plants can often experience cold drafts, causing the leaves to have yellow spots and fall off. The cold draft is different from short exposure of intense cold because this can make the leaves look pale and foliage. You will also notice transparent spots between its veins. 

Do not let your plant stay close to the air conditioner. Change it into a place where it can get enough air circulation. Too much cold can harm your plants and leaves. Try using tropical mist to increase the humidity and avoid too much cold. 

Light Deficiency

Plants that do not get enough light will start to have yellow spots on the lower leaves. This issue is easy to fix, and you can save your plant as soon as possible. You will know that your plant needs light when it looks yellow on the side that does not often see the light. The leaves that are near the light will be greener and look healthier. Just move your plant into a location where it can get enough light. If your house is challenging to get some sunshine, it is time to put up an artificial light for your plants. 

Lack of Nutrients

When a plant lacks nutrients, it will start to show on its leaves. Yellow spots will appear, indicating that your plant is not getting healthy. Too much calcium in the water will also start to make your leaves yellow. It is essential to give the plants the nutrients it needs. Always make sure that they grow healthy, and if you have a flowering plant like cannabis, it will yield more beautiful buds. 

Plants need nutrients and are based on their species, and some kind is very picky. A plant’s health is essential to be adequately diagnosed because you can end up killing it, which is why it is essential to take good care of them from the beginning. 

Viral Infection

When your plant has a viral infection, there will be blotchy yellow patches on all the leaves. You will also see some deformed stems, wilted leaves, and discolored flowers. Viral infection means that you need to remove the infected plant before it can contaminate others. Before you use your tools, always sterilize it. 

Wrapping Up

After you have found the cause of yellow spots on leaves and the problem itself, take necessary actions immediately. Do whatever you need to do, even if it means removing any infected and damages plants. It is essential to have proper air circulation and drip irrigation to ensure that your plants get all the necessary nutrients to live. It will also help prevent scab, drying of leaves, powdery mildew, and tar spot. Yellow spots on leaves can indicate many things, and it is crucial to determine the problem earlier to save the plants if some are already giving up. The most crucial thing to remember is taking good care of them and having plants that are free from yellow spots.

Categorized as Growing

By LGM Admin

LearnGrowingMarijuana.com is an online destination for marijuana growers who want to succeed in growing marijuana. The team behind the site enjoys growing their own weed, trying different strains and experimenting on different growing techniques to get the best marijuana harvest.