How to Prune a Money Tree: A Complete Guide for Lush, Healthy Growth THE NEXT GARDENER Thenextgardener Plant Delights Nursery, Inc. Raleigh NC Pebble Trays are a low maintenance method for creating a humid environment for your plants. Maintaining a shallow bit of water in the pebbles allows it to evaporate around the plant, naturally Ahhh, just sitting on balcony in the warm weather looking at all the plants I made from seeds! I had an idea to make a Kratky style hydroponic tower from the stacking