Dirt: Dirt is often rocky, silty, and void of any beneficial nutrients and microbes that healthy plants need. If you add water to a handful of plain dirt, it will not compact well, if at all. When red-wiggler or earth worms are present in soil, it’s a sign of fertile ground in which to grow plants.Click to see full answer. Also know, can I use dirt from outside to grow plants?If you’ve had good luck with your outdoor soil when growing plants in the yard and garden, you may question why you can’t use that same soil in a pot. According to “Fine Gardening” magazine, garden soil doesn’t hold enough air, water and nutrients to sustain potted plants.Likewise, is there a difference between soil and dirt? Soil is a combination of minerals, air, water, animals and other living matter and their wastes or decaying bodies. Another fundamental difference between soil and dirt is soil is alive. Dirt is dead. Because dirt is disassociated from its ecosystem, it lacks the nutrients needed to promote plant growth. Also question is, can I use dirt instead of potting soil? Topsoil is dirt, and potting soil isn’t. Potting soil is for planting in containers. Topsoil is sand or clay (ground-up rocks) mixed with organic materials such as compost. Potting soil is a mixture of peat moss and other organic materials such as composted sawdust.Is Dirt a living thing? Soil Is Living Soil is alive with living organisms such as worms, fungi, insects, bacteria, and organic matter. When this magnificent living thing called soil leaves the garden on your hands or clothes, it gets displaced and is now defined as dirt.