Question 1

Is diatomaceous earth natural?

Accepted Answer

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Food-grade diatomaceous earth is a natural product that comes from diatoms—fossilized aquatic organisms from tens of millions of years ago. Food-grade diatomaceous earth is considered "natural," while pool or filter-grade diatomaceous earth has been treated and transformed to have higher crystalline silica content.

Question 2

How much does a gravel driveway cost?

Accepted Answer

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The average cost of a gravel driveway is about $1.25 to $2.00 per square foot, including materials, equipment, and professional installation. For example, a 1-car, 20-foot-long driveway (240 sq ft) might cost $300–$432, while a 2-car, 50-foot-long driveway (1,200 sq ft) could cost $1,500–$2,160. Key cost factors include the type and thickness of the gravel, the amount of site preparation required, the condition of the landscape, local labor costs, and job site accessibility.

Question 3

Which type of mulch lasts the longest?

Accepted Answer

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Nonorganic mulch, like river rocks, pebbles, or lava rock, technically lasts the longest. It helps with moisture retention and weed control but doesn’t break down and release nutrients like organic mulch. Wood mulch decomposes slowly, which can help it last longer than leaf or straw mulch, but it won’t provide as many nutrients as quickly as the faster decomposing types.

Question 4

What is the best mulch to put around a tree?

Accepted Answer

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The best mulches for trees are wood chips, bark nuggets, or pine straw. Depending on your goals, you may want to avoid using plastic, stone, rubber, or wet grass clippings. Plastic mulch prevents water from reaching the mulched areas of your tree, stones don’t offer any nutritional benefits to the soil, rubber can release byproducts into the soil when it decomposes, and wet grass clippings can lead to rot.

Plastic may prove beneficial in cold climates in the winter, but wood chips are the ideal option for most environments.

Question 5

How much does mulch cost?

Accepted Answer

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Mulch costs anywhere from $30 to $150 per cubic yard, depending on several factors. On the lower end, common types like red and black mulch cost about $35 to $40 per cubic yard and are often made from recycled wood. More premium options like cedar, cypress, and rubber mulch can cost between $100 and $120 per cubic yard. The total cost is also influenced by delivery, which can be around $75 per cubic yard, though many companies provide a free estimate. It is generally cheaper to buy mulch in bulk and have it delivered, but buying it in bags may be more cost-effective for smaller areas. Other factors like the quantity you need, time of year, your geographical location, and professional installation will also affect the final price. Before getting quotes, it's a good idea to calculate how much mulch you need. A professional can help you determine the most suitable type for your landscaping needs.