The University of Illinois Agriculture Extension suggests a few things to look out for: Leaves may wilt, droop, turn yellow, show early fall color, turn brown at the tips or margins, curl or show all of these symptoms. Green leaves, stems, roots, and fruits may shrink.
Wrinkled & Droopy Ends:
This results in wrinkling of the leaves, which results in droopy ends. Another reason is the loss of moisture pressure inside the leaves, followed by dead ends. Ice Plant is a typical succulent plant whose leaves wrinkle when underwatered.
The leaves may also appear yellowish, dry brittle, and dull. If the plant is droopy and dry, you can try to water enough to where the soil is damp, but not overly soaked or floating in water.
Here are some telltale signs that your Pothos needs water: Its leaves seem to be wilting or drooping.
Tip: Watch your plants' leaves for clues on whether they are thirsty or not. Curly leaves are drier and a healthy white fuzz actually means your plant is healthy, not necessarily drying out. Brown leaf tips and a general shriveled appearance are other clues you are under-watering.
A: If overwatered, your pothos will typically show signs of yellowing and mushy leaves.
Too little, and they're drooping like a wilted teabag. Too much, and they get a soggy bottom and grumpy leaves. Overwatering means yellowing leaves, a general feeling of flop (science calls it wilting!), fuzzy soil, and a pot that feels like it could double as a weight.
When a plant is first becoming overwatered, leaves turn yellow. If soil doesn't have a chance to dry out before you water again, leaves start to wilt. When overwatering is the problem, wilted leaves are soft and limp. (If too little water is the issue, wilted leaves are dry and crispy.)
The most common sign that a plant is hungry or nutritionally imbalanced is if the leaves at the bottom of the stem are browning and dropping from the plant. For plants in a patio pot or planter, sometimes the browning will look like it's coming out of the middle of the plant.
Wilting leaves are your aloe's silent cry for hydration. When the plump, green leaves start looking more like a deflated balloon, it's time to reach for the watering can. Brown tips are another SOS signal—think of them as the plant's version of chapped lips after a day in the desert.
Wrinkled or shriveled appearance
When a cactus doesn't receive enough water, it may start to look wrinkled or shriveled. This is a clear sign that it needs more hydration. This can be easily remedied by increasing the frequency of watering and ensuring the soil is well-draining.
Well-stressed succulents have normal leaf texture and look healthy, but over-stressed plants have blotchy, darkened, wrinkled, or crispy leaves.
Signs it's time to water succulents
If it feels totally dry, check if the plant is showing signs of thirst. Signs of thirst are: Less firm, bendable leaves. Slight wrinkling.
The biggest difference between the two is that too little water will result in your plant's leaves feeling dry and crispy to the touch while too much water results in soft and limp leaves. Water pressure begins to build in the cells of plant leaves when the roots absorb more water than they can use.
Signs Your Plants Need More Water
Check the soil with a trowel, at least 2 or so inches below the soil to be sure, not just the top. Stunted growth. Small leaves. They're producing less flowers / less fruit than usual, or no flowers.
Feel the Soil: The simplest way to gauge your plant's watering needs is by feeling the soil. Turns out that old trick of sticking your finger into the soil up to the knuckle has merit! If it's soggy or has standing water, you're overwatering. If it's dry an inch below the surface, it's time to water.
How to check for root rot. The main signs to look out for are: yellowing, wilting leaves, wet soil that isn't drying, black, wet roots, quickly declining health, and stunted growth.
When plants are under watered, they can usually recover within a few hours after receiving water. If they are overwatered, this can cause roots to rot, and the recovery process will take much longer.
Overwatered plants can sometimes recover on their own, but it depends on the plant and the extent of the overwatering. If the roots have rotted, the plant will likely not recover. However, if the overwatering has only caused the leaves to wilt, the plant may be able to bounce back.
If a plant is overwatered, it will likely develop yellow or brown limp, droopy leaves as opposed to dry, crispy leaves (which are a sign of too little water). Wilting leaves combined with wet soil usually mean that root rot has set in and the roots can no longer absorb water.
During spring and summer in Southern California, she suggests drip watering three times a week for 18 minutes, then adjusting from there if the soil is too wet or dry. Don't know how to tell? Stick your finger in the soil. If it's consistently moist 2 inches down, your plants are fine.
Move the planter to a shady area, even if it is a full sun plant. The roots of your plant are unable to take up enough water to keep your plant hydrated. Plants in shaded locations will use less water. Once the roots are healthy move sun plants back to a sunny location.
Those yellow leaves will not recover, so you may also want to remove those (again, tug gently and they'll come off if they're ready) so the plant can direct its energy to growth and maintaining healthy leaves. Think about how much and how often you're watering your pothos plant.