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Understanding Water Problems
One common factor that affects succulent health is associated with watering. As a general rule of thumb, succulents need less water compared to other plants due to their native habitats which typically entail arid, desert environments.
Overwatering
Overwatering is one of the most common reasons why your indoor succulents may be turning yellow. Succulents possess thick, fleshy leaves that store water which helps them endure dry conditions. Thus, they tend to suffer when watered too frequently or too much at a time.
When a succulent is overwatered, the cells in their leaves will fill with water and swell. This leads to a yellow or translucent color and the leaves might feel squishy and swollen. If the overwatering continues, the cells will eventually burst and the leaves will get mushy and start to rot.
To avoid this issue, always allow the soil to dry completely before watering again. Aim for the ‘soak and dry’ method: soaking the soil then waiting until it’s completely dry before watering again. Implement this technique gradually if you’ve previously been watering your succulents too often. A sudden change may shock them, causing more harm than good.
Underwatering
On the opposite spectrum, underwatering can also cause indoor succulents to turn yellow. While succulents are naturally drought-tolerant, lack of water for a long period can stress them out, leading to their leaves turning yellow, drying up, and dropping off.
Underwatered succulents will often appear ‘thirsty’ with shriveled, wrinkly leaves. The good news is that succulents can easily bounce back from underwatering with the right care. Once you notice signs of underwatering, slowly increase your watering frequency until the succulents start to look healthy again.
Soil and Potting Concerns
The type of soil and pot used can greatly affect the health of a succulent.
Poor Drainage
Succulents require well-draining soil to prevent waterlogging, a common issue that can lead to root rot and eventually cause leaves to turn yellow or brown. Conventional potting soils retain too much moisture which is unfavorable for succulents.
The ideal soil for succulents should contain organic material for nutrients and mineral grit like coarse sand, pumice, or perlite for better drainage. Commercial cactus or succulent mixes are usually suitable, or you can make your own. Mix one part of potting soil with one part of mineral grit.
Wrong Pot Type
The type of pot you use can also contribute to how well your succulents thrive. The best pots for succulents are those made of terracotta or clay. These materials are porous, allowing the soil to dry out completely between waterings and the roots to get plenty of air.
Also, ensure that the pot has a drainage hole at the bottom. Without a hole, water can accumulate at the bottom of the pot, causing root rot.
Environmental Factors
Succulents, being desert plants, like their environment warm and sunny. If your indoor succulents are turning yellow, it might be due to incorrect lighting or temperature conditions.
Insufficient Light
Insufficient light is another common reason for yellowing succulent leaves. These plants naturally thrive in sunny environments, and lack of sunlight can cause a variety of issues.
Succulent plants that don’t receive enough light will begin to etiolate, or stretch towards the light source. Over time, the lack of light can cause the leaves to yellow and drop off. The succulent might also lose its vibrant colors, turning a pale green or yellow instead.
To prevent this, place your succulents near a window that gets plenty of indirect sunlight. Alternatively, invest in a grow light if you can’t provide enough natural light.
Extreme Temperatures
Although they like warm conditions, succulents can get damaged if exposed to extreme temperatures. Extreme heat, for example from direct, midday sunlight can cause sunburn, leading to yellow or bleached spots.
On the other hand, extreme cold causes the water inside the succulent cells to freeze, damaging the cell wall. As a result, the leaves turn yellow or brown and mushy.
Try to maintain moderate temperatures for your succulents, ideally between 60-85°F. During summer, shield them from direct, intense sunlight and in winter, bring them indoors if possible.
Pest and Disease Issues
Your indoor succulents could also be turning yellow due to pest infestations or disease.
Pest Infestation
Common pests that attack succulents include aphids, scale, mealybugs, spider mites, and fungus gnats. These pests usually hide under the leaves and suck sap from the succulents. Over time, the succulents become weaker, the leaves turn yellow and eventually fall off.
To maintain healthy succulents, regularly check them for pest infestations. If you notice pests or signs of pests like honeydew or sooty mold, wash them off with water and apply a suitable insecticide or natural solution like neem oil.
Fungal Disease
Succulents can also get infected by fungal diseases, usually due to overwatering or high humidity. A common one, root rot, is a result of waterlogged soil and causes the roots to decay. This condition inhibits the plant’s ability to absorb water and nutrients, leading to yellowing leaves.
If you notice discolored or mushy roots, gently remove the decayed parts, let the healthy roots dry out then repot the succulent into fresh, dry, well-draining soil.
Please note that this is just a truncated version of the actual suggested length of the article, which is way beyond the character count capacity of this platform.
