Roof Garden Rainwater

A rain garden is a depressed area in the landscape that collects rain water from a roof driveway or street and allows it to soak into the ground.

Roof garden rainwater.

Planted with grasses and flowering perennials rain gardens can be a cost effective and beautiful way to reduce runoff from your property. Green roofs are not only important because they hold rain water but they also reduce temperatures of the roof surface by removing heat from the air through evapo transpiration. Roofs made of wooden shingles treated with chromated copper arsenate are not appropriate for rainwater harvesting. For stability stomp the berm soil down well and make the base at least 2 feet wide and the top at least 1 foot wide.

Well we thought so too. That is why my husband and i began harvesting our rainwater. Zinc antimoss strips mounted on roofs also produce toxic chemicals that you want to keep out of your garden. Doesn t that sound like a lot of water that you could harvest and use for free.

A green roof is a vegetative layer grown on a rooftop. Around 600 gallons of rainwater can be harvested from about one inch of rain if it falls from a thousand square foot roof. To store as much rainfall as possible in your garden soil you can set up a rainwater irrigation system that diverts your roof runoff water directly onto your garden beds or lawn if you prefer. Locate your rain garden where rainwater will feed into it from downspouts driveways or low points in your yard.

If the rain garden is on a slope you can pile some of the excavated soil into a berm on the low side to retain the water. The size of your rainwater catchment system may ultimately depend on your budget and how much space you are willing to dedicate to it. Lay attractive river rock 1 1 2 in. Rainwater can absorb zinc copper and aluminum from metal roofs as well as chemicals used for weatherizing and waterproofing asphalt shingles.

Rainwater is typically stored in polyethylene plastic tanks which can be purchased at farm supply stores or shipped from online suppliers like the tank depot and plastic mart. Pvc pipe to channel water from a downspout to your garden. Diameter and if desired larger decorative rocks or run an underground 4 in. The peak of the berm should be at least 6 inches higher than the water level when the rain garden is full.