Planting device and system and method of growing plants utilizing bags of growing medium

A system for promoting growth of desired plants, which comprises in combination:

• a) a container containing a first growing medium, wherein the container of first growing medium has a finite thickness;
• and
• b) a device having a first end, a second end, a length defined by the first end and the second end wherein the length is greater than the finite thickness of the container containing the first growing medium, and one or more passageways wherein said device is shaped to penetrate said container with the second end communicating outside the container and one or more passageways communicating with the first growing medium in the container.

A plant growing system comprising, in combination:

• a container of a first growing medium resting on a second growing medium;
• and
• a hollow peg containing a planting element, fertilizer and soil conditioner or modifier, the hollow peg extending through the container of first growing medium and into the second growing medium, and the hollow peg defining an open upper end exposed above the container and a plurality of passageways wherein at least one of the passageways communicates with the first growing medium and at least one of the passageways communicates with the second growing medium.