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*The Angi rating for Mulch And Topsoil Service companies in Calmar, IA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Mulch And Topsoil Service needs.

*The HomeAdvisor rating for Mulch And Topsoil Service companies in Calmar, IA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Mulch And Topsoil Service needs.

Last update on December 18, 2025

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J's Excavating & Landscaping

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•Approved Pro

J's Excavating & Landscaping

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•Approved Pro
9 years of experience

J's Excavating & Landscaping is committed to excellence every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and responsibility in all of our jobs. We are a locally owned and operated business with more than 3 years of experience serving Randalia, IA and surrounding areas. There is no job too big, or too small for our team. Call today and let us put our experience to work for you!

J's Excavating & Landscaping is committed to excellence every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and responsibility in all of our jobs. We are a locally owned and operated business with more than 3 years of experience serving Randalia, IA and surrounding areas. There is no job too big, or too small for our team. Call today and let us put our experience to work for you!

L. Miller Landscaping

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L. Miller Landscaping

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10 years of experience

Iowa City, IA; Cedar Rapids, IA; Marshalltown, IA; Davenport, IA; Waterloo, IA - If you're searching for effective Landscaper for commercial and residential properties, make a call to "L. Miller Landscaping"

Iowa City, IA; Cedar Rapids, IA; Marshalltown, IA; Davenport, IA; Waterloo, IA - If you're searching for effective Landscaper for commercial and residential properties, make a call to "L. Miller Landscaping"

Avatar for JJV Rubber Mulch and Safe Rock LLC

JJV Rubber Mulch and Safe Rock LLC

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JJV Rubber Mulch and Safe Rock LLC

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21 years of experience

JJV Rubber Mulch and Safe Rock, stands poised and proud by providing rubber mulch products that utilizes NON-TIRE recycled rubber in the production process. JJV Rubber Mulch continues to offer a safe and clean alternative.

JJV Rubber Mulch and Safe Rock, stands poised and proud by providing rubber mulch products that utilizes NON-TIRE recycled rubber in the production process. JJV Rubber Mulch continues to offer a safe and clean alternative.

Mulch and Topsoil questions, answered by experts

As a base, you should use a fertilizer with a 5-5-5 NPK ratio (5% nitrogen, 5% phosphorus, and 5% potassium). You may need a different ratio depending on what your soil is lacking, but a soil test can help determine the perfect amount.

Measure the area needing coverage and consult with suppliers on average depth requirements for each material. Calculations often use cubic yards for accuracy and practicality.

The number of bags of topsoil you need depends on the depth you’re filling. The average topsoil is sold in a roughly forty-pound bag, covering 12 square feet at a one-inch depth. Since topsoil is by nature the uppermost layer of soil, you can bet on only needing to fill about 4 to 8 inches of soil depth with it.

Organic mulch typically lasts between 4 to 6 years. However, factors like the type of organic mulch you choose, mulch size, and weather conditions can all play a role in its longevity. In some cases, you’ll need to replace organic mulch every few years.

Replace organic mulch every one to two years, depending on the variety. Wood chips and straw, for example, will last a couple of years, while grass clippings and pine needles need replacing every several months. Inorganic mulch—such as rock and rubber chips—can stay in place for up to four years, depending on erosion and general garden upkeep. 

The Calmar, IA homeowners’ guide to mulch and topsoil services

From average costs to expert advice, get all the answers you need to get your job done.

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