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Tri-Star Mulch
"Elevate Your Outdoors With Tristar Mulch"
About Us
Tri-Star Mulch, a reputable mulch supplier based in Cobb, WI, since 1992, serves the greater surrounding area with a wide range of landscaping materials. Specializing in high-quality mulch, our offerings also include rocks, reground bark, playground chips, hunting blinds, gravel, and sand. Whether you need materials for a large landscaping project or personal gardening needs, Tri-Star Mulch caters to bulk and personal orders. With convenient delivery or pick-up options available, we make it easy for our valued customers to access top-notch landscape supplies for their outdoor projects.
Our Story
Elevate Your Outdoors With Tri-Star Mulch
At Tri-Star Mulch, we believe every outdoor space has the potential to shine. Founded in 1992 and based in Cobb, WI, Tri-Star Mulch is a family-owned and operated business built on years of industry experience and a passion for landscaping excellence. Our founder, having worked in the landscaping supply industry for years, took his skills and expertise to create a business that focuses on quality, reliability, and outstanding customer service. Today, Tri-Star Mulch proudly serves the greater Cobb area and surrounding communities, providing both homeowners and professional landscapers with the materials they need to bring their outdoor visions to life.
Our commitment to quality is evident in every product we offer. Specializing in premium mulch, Tri-Star Mulch supplies a diverse selection of landscaping materials designed to suit any project. From reground bark and playground chips to colored granite and black dirt, our products meet the highest standards to ensure your garden, yard, or commercial property looks its absolute best. We also offer rocks, pea gravel, washed gravel, sand, and hunting blinds—each chosen for durability, aesthetic appeal, and long-lasting performance. Whether you’re creating a private backyard retreat, preparing a playground, or designing a large-scale commercial landscape, we provide materials that help every project succeed.
At Tri-Star Mulch, we understand that every project is unique. That’s why we cater to both bulk and personal orders, ensuring that our products are accessible no matter the size of your project. With convenient delivery and pick-up options, we make it easy for our customers to access the materials they need, when they need them. Our team is always ready to assist, offering guidance and recommendations to help you choose the right products for your specific needs. From selecting the perfect mulch color to understanding the best materials for drainage or erosion control, we take pride in being a trusted resource for our community.
Family values, exceptional service, and a dedication to quality are at the core of everything we do. Our customers know they can rely on Tri-Star Mulch not only for superior products but also for a seamless, personalized experience that makes landscaping projects simpler and more enjoyable. Whether you’re a seasoned professional or a first-time gardener, we’re here to provide the support, materials, and expertise to bring your outdoor dreams to life.
Tri-Star Mulch is more than a supplier—it’s a partner in creating beautiful, functional, and lasting outdoor spaces. From mulch and reground bark to rocks, sand, and hunting blinds, we offer everything you need to transform your property. With nearly three decades of experience, a commitment to excellence, and a focus on community, Tri-Star Mulch continues to elevate outdoor spaces across Cobb and beyond. Trust us for quality, service, and products that stand the test of time.
Areas Served
Iowa County, WI | Grant County, WI | Dane County, WI | Crawford County, WI | Sauk County, WI | Richland County, WI | Lafayette, WI | Green County, WI
What We Offer
Our Specialties include:
- Mulch
- Hunting Blinds
- Rock
Our Services include:
- Delivery
- Pick-Up
- Bulk Orders
- Personal Orders
Our Products include:
- Reground Bark
- Playground Chips
- Colored Granite
- Pea Gravel
- Washed Gravel
- Black Dirt
- Sand
Testimonials
On 10/11/2025
Luke Richardson
had this to say:
I bought a 6x6 MC hunting blind from them this year. It’s a very solid blind and reasonably priced. I have three Shadow Hunter blinds and this blind is as good or better! Highly recommended.
On 10/11/2025
Shaun Scullion
had this to say:
Great experience! Excellent product knowledge, fair pricing, great service - will do business with them again!
On 11/10/2024
Todd E
had this to say:
Been doing business with them for over 10 years! Awesome!!!
On 11/11/2023
Lauren Blum
had this to say:
Ordering and scheduling delivery was seamless and very fast. I am very satisfied with the quality of the wood chips I purchased and the staff have been very friendly and helpful.
Contact Us
Tri-Star Mulch
403 Division Street Cobb, WI 53526
Phone: (608) 623-2323
Email: tristar
Payment Types Accepted
American Express, Personal Checks, Debit Cards, Discover, MasterCard, Visa
Our Hours
Holiday Hours May Vary. Please Call For Details.
Monday: 8:00 AM - 5:00 PM
Tuesday: 8:00 AM - 5:00 PM
Wednesday: 8:00 AM - 5:00 PM
Thursday: 8:00 AM - 5:00 PM
Friday: 8:00 AM - 5:00 PM
Saturday: By Appointment Only
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