Learn How to Build Your Own Recycled Plastic Bottle Greenhouse Many of you have been asking for complete instructions on how to build a plastic bottle greenhouse. Here's a good tutorial from Scotland (Plastic Bottle Garden)
In addition to recycling plastic bottles and jugs for watering slowly, try to recycle your waste water for the garden. Water collected in rain barrels, or water from the bath or laundry can be used in the garden. I'd probably use glass bottles.