Even if these two products are often confused, they correspond to very different uses and results.
The potting soil refers to a growing medium ready to plant. The soil is a complex mixture of various organic and mineral materials, specific to each type of plant. Renewable raw materials such as wood fiber are traditionally found in the soil. Hortifibre, composted bark, clay, compost or amendment, sand and, non-renewable, such as peat.
Each has its role to play to provide the best conditions for plant growth. They will help to aerate the soil so that the roots can develop easily, to retain and redistribute water, to transport nutrients ...
Differences between potting soil and compost
The proportions of raw materials or their nature may change depending on the type of work in the garden (planting, plants in containers, vegetable patch, etc.) or the type of plants (Orchids, cacti, etc.). The Earth & Nature potting soil also include 100% organic fertilizer.
Compost, on the other hand, is the result of recycling and decomposing organic matter. Most often very dark in color, its main role is to enrich the soil or the compost with microorganisms, mineral elements and humus. Used for 2 or 3 years, it helps to restructure and revitalize soil life and thus promote plant growth.
In short, potting soil is a complex mixture for your plants. As for the compost (or amendment), it acts mainly on the quality of your soil.
Compost + Soil = the perfect combination to obtain beautiful plants.