Now that you're sure your plant has been over-watered, you can take action. Here's what you need to do to save your plant. If the damage is slight, simply drying off will suffice. But in the case of heavy watering, you'll probably have to prune and repot.
The good news is that most plants will bounce back between 7-14 days if they're given proper care (which includes rehydration). If this isn't possible because major damage was done or little healthy root system exists then expect about 2 weeks until improvement can be seen.
To save an overwatered plant, start by moving it out of the sun and into a shady spot... Once the roots are dry and you've pruned off the rotting ones, repot the plant in a pot with drainage holes and wait until the top of the soil is dry before lightly watering it.
You can dry out your plants roots by removing the bulk of the soil from the pot and gently removing as much soil as possible. Then let it dry off on a newspaper or paper towels for a little while. After it is dry, repot it and leave it alone for a day before getting back on a regular (but lighter) watering schedule.
The first step in saving your overwatered plants is to determine how badly they have been affected. If your plants are showing some yellowing but have not yet started to wilt, you can save them by beginning to water them properly. If wilting has started to occur, you will need to work harder in order to save them.
To dry out soil quickly, you can apply hydrated lime to the soil, add compost and then turn the soil thoroughly to aerate it. Adding hydrated lime and compost will help absorb the water in your soil, and turning it all will help distribute the water in the waterlogged soil throughout your garden.
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.
Are coffee grounds good for plants? Coffee grounds are an excellent compost ingredient and are fine to apply directly onto the soil around most garden plants if used with care and moderation. Coffee grounds contain nutrients that plants use for growth.
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.
Plants growing in soil that is too wet suffer from a lack of oxygen which leads to the death of roots and a loss of vigor in the plant. Stunted slow growth with yellowing leaves is a symptom of over-watering.
If you are overwatering your trees, the leaves may be a bit gummy or wilted, though they will still be brown. This is a harder problem to solve, because these leaves may not fall off the tree. Unfortunately, many people try to fix this problem by doing the exact opposite.
These spots are caused by a fungus, usually as a result of overwatering your plant. Solution: You may be able to fix this by cutting off affected leaves and letting your plant's soil dry out. In future, only water when the top two inches of soil feel dry.
The most common uses of hydrogen peroxide for plants include: Eliminates root rot. Supports growth of healthier roots.
Mix one part 3% hydrogen peroxide with two parts water, and drench the soil around the affected plant. Cinnamon is another natural remedy that can help prevent root rot due to its antifungal properties. Sprinkle cinnamon on the soil surface or mix it into the soil to help combat fungal pathogens.
Mix in fly ash.
The drying effect of fly ash in wet soil occurs rapidly, allowing you to quickly proceed with construction activities. Fly ash also makes soil more resistant to water infiltration." All you have to do is till up the wet soil and mix in the fly ash to physically soak up the water.
If your soil has already become waterlogged, you might not be able to save the plants, but you can fix the soil and drainage to avoid it happening in the future. Once conditions are dry again, amend the soil by adding organic material to break it up and improve drainage.
“Another option for gardeners who have larger containers is to remove only the top 6 inches or so of the old potting soil and replace it with new potting soil,” he said. “Since they aren't replacing all the soil, they're saving money while still refreshing the upper area, which will aid in root growth.
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.
Compost heap - Here is the easiest option of all: Simply toss the old soil or unused half-bags of soil right on the compost bin. A good compost pile should be a balanced mix of green material, brown material and soil.