maybe it's because the potting mix isn't the best for your marigolds, or if it's too hot from where you are, it may be soaking up all the water, thus not being the potting mix's fault. i suggest you call or go to Home Depot an ask for certain.
Potting soil does not grow. It is not a plant, but a medium in which to grow plants.
sand and potting soil
Potting soil does not grow. It is not a plant, but a medium in which to grow plants.
Yes. Growing plants is what potting soil is for.
potting soil and humus
Some plants grow better in certain types of potting soil
Potting soil is a manufactured recipe of the required contents of the compost needed to grow plants in pots.
Don't store potting soil in an airtight container because potting soil is moist. The potting soil will grow mold if you do this. Just keep it in the bag you bought it in and tie the top shut.
This depends on the species of plant. Some plants require different nutrients than others. Your best bet would be to plant in regular soil, and then after some research you can till the soil with the required nutrients.
I am a ninth grader and I am doing an experiment on which type of soil sugarsnap peas will grow the best in. I'm using regular soil, potting soil, red clay, and sand. So far the potting soil has sprouted and none of the others have !
Premixed sterile potting soil.
yes regular soil has more nutrients because of worms and how their slime helps the soil stay moisturised and grow more nutrients but potting soil gives plants more nutrients to help them grow faster. Regular soil has more nutrients and potting soil doubles the amount