Effective and ecologically-correct features of a landscape drainage system, French drains are trenches or ditches filled with gravel (usually) that move water parallel to the ground. Water flows much easier through loose gravel, especially as compared to the thick, gumbo-like clay soil found here in Houston. To further ease the flow of water from the wet area to the dry one, a French drainage system will often have pipes buried in the gravel.The Positives
French drains can have a positive impact on your overall landscape. Advantages include:
• By draining standing water out of the landscape while at the same time storing rain water in the subsoil, this type of drain helps your grass look healthy and vibrant. Thus your overall lawn service is improved.
• French drains can be a de facto part of your irrigation systems. They can be developed by landscape designers or landscape architects so that water collects in and nurtures garden beds, thus conserving water. French drains turn your landscape into a green garden—in both senses of the word “green.”
• Residential landscape maintenance is made easier with French drains since they prevent standing water that can cause slippery surfaces and mosquito breeding grounds. They also help prevent drowned plants.
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