Yes, plants can indeed grow without soil. There are a few methods that allow plants to grow in alternative mediums:

Hydroponics: This is a method of growing plants in a nutrient-rich water solution, without the use of soil. The plant’s roots are suspended in the water and receive all the necessary nutrients and oxygen directly from the water.

Aeroponics: In this method, the plant’s roots are suspended in the air and periodically misted with a nutrient-rich solution. The roots absorb the nutrients and moisture directly from the mist.

Aquaponics: This is a combination of hydroponics and aquaculture (fish farming). The waste produced by the fish is used to provide nutrients for the plants, and the plants help to filter the water for the fish.

Soilless potting mixes: These are growing mediums made from materials like peat moss, vermiculite, perlite, or coconut coir that can be used to grow plants in containers without soil.

So in summary, yes – plants can absolutely grow without traditional soil as the growing medium, using techniques like hydroponics, aeroponics, and soilless potting mixes. These methods can be very effective for growing a variety of plants.