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Blackberry Root Barrier - 18" x 100' Roll


SKU MM-HDPE-18-60-100

Blackberry Root Barrier is an ideal material for keeping blackberry bushes under control. This barrier will address rhizome shoots that travel underground by physically blocking them from intruding into other unwanted garden or landscape areas.  

The barrier is constructed from durable HDPE plastic and is designed to last 50+ years when installed underground.

Because blackberry plants tend to spread rapidly if not controlled properly, this root barrier will assist in your containment efforts by stopping blackberry roots from being able to creep underground.  Pruning and maintenance are still required to ensure that berry seeds don't start new shoot over the barrier.

The typical application of this barrier:

  1. Dig a trench 16 inches deep where you are blocking the bushes
  2. Measure, cut, and place the barrier in the trench so that 2 inches of the barrier are above grade. This prevents the roots from trying to crawl over. Note, you will need to watch the prune shoots that come over the barrier
  3. Backfill the trench with the remaining dirt

Material Thickness:
60 Mil (1/16 of an Inch, or 1.5 mm)
Material Length:
100 foot roll
Material: HDPE 
Shipping: FREE UPS Ground Shipping

Manufactured in the United States.

Product Specifics

  • Material: High Density Polyethylene
  • Texture: Smooth
  • Size:  60 Mil Thick, 18" depth by 100' long
  • Free Shipping
  • Need a Written Quote?
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  • Volume Pricing Available - orders $6,500+
  • Questions? Call (800) 604-5537

Blackberry Root Barrier

  • Waterproof
  • Commercial Grade
  • UV Resistant
  • Non-Biodegradable
  • Will Not Rot or Mildew
  • Resistant to Rodent and Insect Damage
  • 100 Year Material Lifespan
  • Made in the USA


  • All Plastic Root Barrier Ships for Free (standard ground, see map)
  • Expedited shipping only available on orders over $2,000 
         Call: (800) 604-5537 for pricing and ship times

Shipping estimates shown on the map pertain to this specific product only. HDPE orders typically ship same day if the order is placed before 12:00 noon CST. Transit times displayed in the map are listed in business days, and are approximate. Transit times are subject to stock levels at regional warehouses.  The day that the order is shipped is not counted as a transit day.

How deep do blackberry roots grow?

Blackberry plant roots grow 12 inches in depth. Blackberry bushes are spread by both root rhizome and by seeds from the blackberry fruit. A physical plastic barrier that is 18 inches in depth can better prevent these roots from spreading. 


The below is a thickness comparison of the material. HDPE plastic thickness is measured in "mils" which is "thousands of an inch".

The 60 Mil plastic is roughly the same as two standard credit cards stacked on top of each other.