Every spring, I watch people make the same mistake at the garden center. They grab a random pile of bags, drive home, and realize halfway through the job that they either bought way too much or came up short.
Buying mulch should not be this stressful. And once you understand a few basics, it never will be again.
So let’s walk through exactly how to choose the right mulch and buy the right amount the first time.
Why Mulch Is Worth Every Penny
Before we talk about buying, let’s talk about why mulch matters so much.
Mulch is not just there to make your beds look tidy. It does real work under the surface. Research shows that mulched soil can cut evaporation by anywhere from 28% to nearly 59%, which means your plants stay hydrated longer between waterings. Studies show that mulched soil can minimize evaporation by 28 to 58.8% and enhance moisture retention up to 22%.
There is more. According to research by Iowa State University, mulching can reduce soil moisture loss by 40%. That is a big deal during a hot New Jersey July, when your beds bake in the afternoon sun.
Mulch also fights weeds, protects roots from temperature swings, and slowly feeds your soil as it breaks down. Certain types even help keep pests away. Aromatic mulches like cedar and pine bark contain natural oils that help repel pests such as termites and ants.
Step One: Pick the Right Type of Mulch
Not all mulch is the same, so start by matching the mulch to the job.
Hardwood mulch is the all-purpose favorite. It holds moisture well and works in almost any bed.
Dyed mulch, in black, brown, or red, keeps its color longer and gives beds a clean, finished look.
Cedar mulch smells great and naturally keeps bugs at a distance, which makes it perfect near patios and doorways.
Wood chips are best for pathways, tree rings, and larger natural areas.
Keep in mind that organic mulches break down over time. Hardwood usually needs a refresh every 1 to 2 years, while cedar can last 3 to 4 years.
Step Two: Figure Out How Much You Need
Here is where most people slip up. Mulch is sold by the cubic yard, and the coverage depends entirely on how deep you spread it.
At the standard 3 inch depth, one cubic yard covers about 108 square feet. One yard of mulch covers 324 square feet at 1 inch, 162 at 2 inches, and 108 at 3 inches deep.
The math is simple. Measure the length and width of each bed, multiply them to get square footage, then use this formula:
Square footage times depth in inches, divided by 324, equals cubic yards needed.
For example, a 200 square foot bed at 3 inches deep needs a little under 2 yards. Round up so you do not come up short.
One quick tip from experience: mulch settles. Mulch settles 10 to 20 percent after watering or rainfall, so order slightly extra if you want an even finish.
Step Three: Bulk or Bagged?
This is the question I get asked most.
Bagged mulch makes sense for small beds or tight spaces. But it costs a lot more per unit. Bagged mulch typically costs 2 to 3 times more per cubic yard than bulk delivery.
Most suppliers charge between $25 and $65 per cubic yard for bulk material, and buying in bulk can save you between 7% and 35% compared to bags. For any project over a couple of yards, bulk is almost always the smarter choice.
A Few Mistakes to Avoid
Do not pile mulch against plant stems. That “volcano” look traps moisture and rots roots. Keep mulch a few inches away from trunks.
Do not go thinner than 2 inches, or weeds push right through.
And do not mix up cubic feet with cubic yards. One yard equals 27 cubic feet, so that mistake can cost you big.
Where to Buy With Confidence
Once you know your mulch type, your depth, and your total yardage, buying is the easy part. The key is working with a supplier who delivers fresh material and helps you order the right amount.
That is exactly what we do at Kirk Allen Landscape Supply. We carry a full range of quality mulches for North Jersey homeowners and contractors, and we deliver by the truckload so you never overpay for bagged product. Whether you need a single yard of mulch or enough to cover an entire property, we make it simple to get the right material at the right price.
Measure once, order right, and enjoy a yard you are proud of.
