Provided is an artificial plant growth medium that is useful as a substitute for naturally produced soil in supporting plant growth. The artificial plant growth medium includes a cohesive mass of polymer fiberballs. The artificial plant growth medium may include a cohesive mass of fiberballs that are composed of biodegradable and/or non-biodegradable polymer fibers for use in plant cultivation. The artificial plant growth medium provides the optimal balance of water, and air to support plant growth.
