Mythbuster: Geotextile Fabric/Bidim

Geotextile fabrics are used in many gardens and landscape designs. Don’t know what it is or haven’t seen it before? That’s because it is right under your feet.

Geotextile fabric or Bidim, is a permeable fabric used in landscaping to aid in the stabilizing of soil and preventing soil erosion, assisting in water drainage and as a weed guard. Don’t mistake it for a weed killer, but it will prevent the growth of weeds.

When laying gravel, the fabric is placed down first to keep the gravel in place and to stop it from getting embedded in the soil when it rains. Because it is a permeable fabric, it will allow for water to filter through and for the soil underneath to be oxygenated.

Other uses of geotextile fabric include lining wooden planter boxes, as it allows for water to filter through, provides oxygen to the soil, keeps the soil within the planter box and also protects the planter box from degrading as it creates a barrier between the soil and wooden box. And because the soil has beneficial bacteria that will break down the wood, it will help prevent that from happening.

This would make it a better option compared to plastic, as plastic does not breath or allow water to pass through. Plastic also increases the chances of the wooden planter box to degrade faster as the plastic can create a spawning area for mold.

You will find geotextile fabrics at most nurseries and hardware stores, as it is an affordable way of maintaining hardscaped areas and keeping weeds at bay. The uses are endless.

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