US EditionDon Kinzler shares his secret ingredient for mulched weed control
Don Kinzler’s method uses brown corrugated cardboard under 3–5 inches of shredded wood mulch to block weeds and enrich soil by breaking down in about three growing seasons.
- Don Kinzler recommends plain brown corrugated cardboard under shredded wood mulch as his secret ingredient in perennial flower beds and shrub landscapes.
- In the 1970s and 1980s, rock over black plastic compacted soil and reduced root depth, prompting alternatives like woven landscape fabric that improved soil oxygen but still allowed weeds.
- Cardboard blocks weeds from below and then decomposes into soil organic matter, with moisture movement supporting beneficial soil organisms that thrive naturally.
- Established beds invaded by perennial weeds can be reclaimed with cardboard plus mulch, and cardboard offers greater flexibility for digging, dividing and planting than fabric.
- Flatten boxes, remove tape or plastic, and use plain brown corrugated cardboard, then overlap seams at least 6 inches and cover with 3 to 5 inches of shredded wood mulch from some tree removal companies.
17 Articles
17 Articles
Don Kinzler shares his secret ingredient for mulched weed control
Did you hear about Cuba’s struggle to control weeds? It’s being called the Cuban Thistle Crisis. Whether it’s thistles or other annoying weeds, I’ve been controlling the invaders in our landscape and perennial flower gardens with shredded wood mulch with a rather surprising material underneath. Before I reveal the secret ingredient that increases wood mulch’s weed-fighting power, let’s take a step back in time. When my wife, Mary, and I operated…
Don Kinzler shares his secret ingredient for mulched weed control
Did you hear about Cuba’s struggle to control weeds? It’s being called the Cuban Thistle Crisis. Whether it’s thistles or other annoying weeds, I’ve been controlling the invaders in our landscape and perennial flower gardens with shredded wood mulch with a rather surprising material underneath. Before I reveal the secret ingredient that increases wood mulch’s weed-fighting power, let’s take a step back in time. When my wife, Mary, and I operated…
Don Kinzler shares his secret ingredient for mulched weed control
Did you hear about Cuba’s struggle to control weeds? It’s being called the Cuban Thistle Crisis. Whether it’s thistles or other annoying weeds, I’ve been controlling the invaders in our landscape and perennial flower gardens with shredded wood mulch with a rather surprising material underneath. Before I reveal the secret ingredient that increases wood mulch’s weed-fighting power, let’s take a step back in time. When my wife, Mary, and I operated…
Don Kinzler shares his secret ingredient for mulched weed control
Did you hear about Cuba’s struggle to control weeds? It’s being called the Cuban Thistle Crisis. Whether it’s thistles or other annoying weeds, I’ve been controlling the invaders in our landscape and perennial flower gardens with shredded wood mulch with a rather surprising material underneath. Before I reveal the secret ingredient that increases wood mulch’s weed-fighting power, let’s take a step back in time. When my wife, Mary, and I operated…
Don Kinzler shares his secret ingredient for mulched weed control
Did you hear about Cuba’s struggle to control weeds? It’s being called the Cuban Thistle Crisis. Whether it’s thistles or other annoying weeds, I’ve been controlling the invaders in our landscape and perennial flower gardens with shredded wood mulch with a rather surprising material underneath. Before I reveal the secret ingredient that increases wood mulch’s weed-fighting power, let’s take a step back in time. When my wife, Mary, and I operated…
Don Kinzler shares his secret ingredient for mulched weed control
Did you hear about Cuba’s struggle to control weeds? It’s being called the Cuban Thistle Crisis. Whether it’s thistles or other annoying weeds, I’ve been controlling the invaders in our landscape and perennial flower gardens with shredded wood mulch with a rather surprising material underneath. Before I reveal the secret ingredient that increases wood mulch’s weed-fighting power, let’s take a step back in time. When my wife, Mary, and I operated…
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