How do you know if you have root rot or underwatering?

Author: Ms. Janiya Koelpin  |  Last update: Friday, August 29, 2025

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.

Is it underwatering or root rot?

And yes, under-watering CAN cause root rot too. If roots stay dry too long, root hairs can die. That can be caused by not watering enough (it's best to water until all the substrate is wet), or by not watering often enough.

What are the first signs of root rot?

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.

What does an underwatered plant look like?

Dry, Brown Edges: The leaves of underwatered plants often have dry, crispy edges or tips. This is because the plant is unable to maintain hydration throughout its tissues, causing the edges to dry out first. 2. Drooping: Underwatered plants also droop, but their leaves feel dry and brittle.

How to tell if overwatered or underwatered?

If the soil is wet, it's overwatered - if it's dry, it's underwatered. Browning edges: Another symptom that can go both ways. Determine which by feeling the leaf showing browning: if it feels crispy and light, it is underwatered. If it feels soft and limp, it is overwatered.

The Secret to Knowing if Your Plant is Overwatered

What are the first symptoms of overwatering?

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.

How to tell if soil needs watering?

Knowing when your plants need water is key to keeping them healthy. 🌿💧 Check the soil moisture by sticking your finger about an inch deep; if it feels dry, it's time to water. 🌱 Wilting leaves can also indicate thirst, but be careful—some plants wilt from too much water too.

Is underwatering worse than overwatering?

Is Overwatering Worse Than Underwatering? Overwatering is as equally lethal as underwatering in plants. The colossal factor is blamed on the length of exposure: the more time the soil was soggy or dry, the more a plant is likely not to survive.

How long does it take a plant to recover from underwatering?

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.

What does an overwatered air plant look like?

Identifying Overwatered Air Plants

The most obvious signs to look out for are soft, mushy leaves and discoloration. If your air plant's leaves feel more like wilted lettuce than the stiff, healthy texture they're supposed to have, you could be dealing with overwatering.

Can you stop root rot once it starts?

Once established, root rot is difficult to treat. The best you can do is to take the plant out of its pot, remove the parts of the plant that are affected (including the roots) and repot into fresh compost.

What are the symptoms of crown rot?

Plants infected with crown rot display a number of symptoms, including:
  • Brown tiller bases, often extending up 2 – 4 nodes. ...
  • Whitehead formation, particularly in seasons with a wet start and dry finish.

Can hydrogen peroxide reverse root rot?

The most common uses of hydrogen peroxide for plants include: Eliminates root rot. Supports growth of healthier roots.

Will root rot correct itself?

However, we're still here to assist, offering a chance to potentially save your indoor plant. Root rot typically doesn't fix itself, so we recommend following the 3 steps below.

What does dry root rot look like?

The general symptoms of dry root rot are similar to those caused by Phytophthora species and other agents that damage the roots or girdle the trunk. These include reduced vigor, dull green leaf color, poor new growth, and twig dieback. If extensive root damage occurs, the leaves suddenly wilt and dry on the tree.

What does an overwatered plant look like?

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.)

Can you save a plant that's been underwatered?

Underwatering Revival

One of the first things you will want to try is soaking your plant in a saucer for 30 minutes to an hour. Just as with a dry sponge, a soak helps the soil to absorb water and expand. After soaking, remove your plant from its saucer and leave it for up to 24 hours to see if it has revived.

How to tell if overwatering or underwatering?

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. Underwatering shows itself with crispy leaves, that same sad droop, and bone-dry soil.

What does overwatered lettuce look like?

Limp brown leaves

However, like yellow leaves, brown leaves on overwatered plants are usually limp, not crisp. Additionally, overwatering can cause brown spots with yellow edges to appear in the middle of leaves. In underwatered plants, brown spots usually start at the tips of leaves rather than the middle.

How can you tell if a plant needs water?

The best way to tell if your plants need water is to stick your finger about an inch into the potting mix—if it feels dry, break out the watering can. If you detect dampness, check back again in a day or two. For smaller houseplants, you can also pick up the whole container. If it feels light for its size, add water.

How to check soil with finger?

Use the finger test or a moisture meter to check the soil. Pull back the mulch and stick your fingers an inch or two into the soil – if they come up clean, it's time to water. Use a moisture meter and follow the gauge if you don't want to get your hands dirty.

Why is my soil still dry after watering?

Hard-packed clay soils and even garden soils can become crusted and resist wetting, letting water run off instead of absorbing it. To re-wet, repeatedly sprinkle the surface lightly, making sure there is no run off. Covering the surface with a mulch such as straw, leaves, wood chips, or compost will also help.

How to tell if potting soil is bad?

2. Foul Odor. A foul, rotten eggs odor indicates that your potting soil bag has gone bad. This bad smell results from anaerobic bacteria that grow in old, damp, and compacted soil.

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