Photo from the web Fix yellow leaves on houseplants by checking the moisture level in the top three inches of soil today. Overwatering causes soft yellow leaves, while underwatering leaves them dry and crisp. Adjust your routine to save your houseplant in five minutes. What Causes Yellow Leaves on Houseplants Yellow leaves happen when your indoor plant feels stress from incorrect care or sudden environmental changes. Water issues cause nine out of ten cases, but wrong lighting, poor soil nutrients, and cold air drafts also trigger yellowing. Catching the warning signs early keeps your plant strong and prevents root rot. You can identify the exact problem by looking closely at the texture and location of the damaged foliage. Lower leaves turn yellow naturally as they age, but widespread changes across the top or middle of the stem mean your plant needs immediate attention. Use this quick checklist to inspect your plant right now. Soft yellow leaves: The soil is too wet, signali...