Roof Garden Rainwater

Zinc antimoss strips mounted on roofs also produce toxic chemicals that you want to keep out of your garden.

Roof garden rainwater.

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. Small mammals birds and insects deposit fecal matter. 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.

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. Locate your rain garden where rainwater will feed into it from downspouts driveways or low points in your yard. Roofs made of wooden shingles treated with chromated copper arsenate are not appropriate for rainwater harvesting. Well we thought so too.

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. Green roofs can be ornamental and low profile or be used to grow vegetables and larger plant material on rooftops. Diameter and if desired larger decorative rocks or run an underground 4 in. Planted with grasses and flowering perennials rain gardens can be a cost effective and beautiful way to reduce runoff from your property.

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. That is why my husband and i began harvesting our rainwater. The size of your rainwater catchment system may ultimately depend on your budget and how much space you are willing to dedicate to it. Pvc pipe to channel water from a downspout to your garden.

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. The peak of the berm should be at least 6 inches higher than the water level when the rain garden is full. Most people already have gutters and downspouts attached to their roofs to transport rainwater away from the building. Rainwater can absorb zinc copper and aluminum from metal roofs as well as chemicals used for weatherizing and waterproofing asphalt shingles.