

I think that some varieties exhibit this more than others, but that may just be an impression. Probable Cause: It is pretty normal for tomato seedlings to have a purple tinge to their stems and veins, especially as they get closer to being ready to transplant. Make sure to have them on a regular watering schedule which allows them to be in moist soil that is not completely wet most of the time.
REPOTTING TOMATO SEEDLINGS HOW TO
How to Fix: Tomato seedlings are very forgiving. If the soil is drying out too much too often, the little roots dehydrate and lose their ability to soak up water and nutrients. If the soil is holding on to too much moisture and there is no air space in the soil for the roots to breathe, the plant can suffocate and drown. How to Prevent: Ensure a consistent watering schedule with good drainage. Probable Cause: The tomato seedlings might be receiving too little or too much water. Your Tomato Seedlings are Wilting or Drooping If using a homemade compost tea, make sure the compost is very well-rotted to prevent burning the little seedlings. The liquid fertilizer could be diluted two to three times as much as you would if using on mature, established plants. Use a diluted liquid fertilizer, preferably natural or organic, to spray the leaves and soak the soil. How to Fix: Water well, ensuring adequate drainage. Potting soil that contains some well-rotted organic matter, worm castings, or mushroom compost should be more than enough to feed your seedling starts. Use a nutrient-rich potting soil mixture to start your seedlings. Without water, plants are not able to soak up the nourishment in the soil. How to Prevent: Keep soil consistently, evenly moist.

Probable Cause: Seedlings may be in need of more nourishment. Grow lights can be just 4 inches (10 cm) above the plants, and they can be raised as the plants grow. If you are using artificial lights, are the lights close enough to the seedlings? Using florescent or LED lights are best as they have low-heat output and provide good light spectrum for plant growing.
REPOTTING TOMATO SEEDLINGS FULL
Is it warm enough outside, above 50° F (10° C) to put the seedlings in a protected area where they will get full sun outside? Or, is it possible to supplement with artificial lights? How to Fix: If you are relying on natural light for your seedlings, is there a better spot for them? Possibly a sunnier window that is south facing. How to Prevent: Ensure 6 to 8 hours of natural light or 12 to 16 hours of artificial light from grow lights.

They will stretch toward available light sources. Probable Cause: Plants may not be receiving enough light. What could these problems be? Let’s look at them one by one to find out what is causing these devastating mishaps, how to prevent them, and how to fix them. If there is a problem though, it is a great idea to find out what the problem is and how to rectify it. If there are problems at the seedling stage, they can often overcome issues and become healthy, fruit-bearing adults. Tomato plants often show more serious disease issues later in life. There are a plethora of diseases that affect tomatoes, but luckily, for the home gardener, most can be dealt with using good growing techniques.

Don’t be discouraged, there are many solutions to tomato problems. They have weird colors or covered in white dust or spots. Or they are weak, spindly, and break way to easily. The true joy of finding the seedlings have made their first true leaves. Watching the pair of baby leaves emerge and elongate. Now, the excitement and anticipation of those first sprouts poking their funny little heads out of the soil.
