Question

how to grow a plant in a small open plastic jar

Answer 1

Place pebbles and sand on the base of the bottle. You can use a small spoon through the mouth of the bottle to add the pebbles and sand and move them around. This will provide a good drainage base for the plants. Wet the sand before putting it in place.

Answer 2

Place pebbles and sand on the base of the bottle. You can use a small spoon through the mouth of the bottle to add the pebbles and sand and move them around. This will provide a good drainage base for the plants. Wet the sand before putting it in place.