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Garden Mulches: Tips for Mulching Gardens

How to Choose Them, How to Use Them

By , About.com Guide

Salt marsh hay is a popular garden mulch in many seaside communities.

Salt marsh hay is a popular garden mulch in many seaside communities.

David Beaulieu

Garden mulches are your first line of defense against weeds. Knowing when and how to use them is knowledge fundamental to low-maintenance landscaping. We sometimes take it for granted, but mulching gardens is one of the single most beneficial practices you can adopt in maintaining the grounds around your home.

Q.--
What is the difference between garden mulch and compost?

The above question really implies two separate questions:

  1. Are "mulch" and "compost" synonymous?
  2. If not, should you use mulch and compost in the same way, necessarily?

Q.--
I have seen people using leaves or bark as a garden mulch. Are there other types of garden mulches?

Click the link above to learn my answer, which is not meant to be exhaustive (indeed, there are almost an infinite number of materials that could serve as mulch) but will provide the novice with an introduction to widely available choices....

Q.--
Is it safe to use newspapers as a garden mulch or put them in my compost pile?

I usually don't address questions that take the form, "Is X safe?" because I am not a scientist or a doctor. But safety questions about mulch are asked so often that I decided to provide some basic answers in a few cases. The issue of whether newspaper mulch is safe is one such case....

Q.--
Is playground rubber mulch safe to use around plants?

Here I bring together a few resources that express skepticism regarding the use of rubber mulch in the landscape. My objective in doing so is to spur you on to begin researching rubber mulch for yourself....

Q.--
Is it safe to mulch around a house foundation, or does that invite termites?

Opinions vary on the degree of caution one must exercise when applying mulch near a house. But here I make you aware, at least, of the termite-control issues that arise when mulching around a foundation....

Q.--
I've seen people build a stone-wall raised bed around a big tree on their lawn, filling the raised bed with garden mulch. What are the best mulches to use for this?

Admittedly, a trick question about so-called "mulch volcanoes"....

Q.--
I want to use the leaves that I've raked as a garden mulch. Should I apply the mulch immediately to the garden, or wait?

Unfortunately, this is one of those questions that demands an "It depends...."

Q.--
Everything in my vegetable garden and annual flower beds has been harvested or is dead. I want to mulch these areas. Is there anything I should do prior to spreading the mulch?

Hopefully, you've been fastidious in the garden all year long up to this point. Don't stop now. Learn about the steps you should take before spreading mulch in fall....

Q.--
I've been told that leaves require shredding prior to being applied on the garden as a mulch. What is the purpose in shredding leaves first?

It's an extra step in "making" mulch, but it's worth it....

Q.--
I will be rototilling my vegetable garden and annual flower beds in fall, to prepare them for mulching. Should I be spreading anything over the gardens first before tilling, so that I can work it into the soil?

Think soil health. Warning: there's a test involved! But you don't have to be smart to pass it....

Q.--
Since there are no weeds in winter, what is the purpose of applying a garden mulch in the fall?

Mulch is a multi-purpose material. The benefits of mulch go way beyond suppressing weeds. Click the link above to discover some of those other benefits...

Q.--
I have a huge area to mulch, but I don't rake enough leaves to use them as a garden mulch to cover my whole garden. What are my alternatives for mulches?

If you have a huge area to mulch, then you need to obtain a cheap or free mulch -- if not leaves, then something else. Here are some ideas....

Q.--
I have heard of "cover crops" being used instead of garden mulches. What exactly is a cover crop?

It's a term used more in agriculture, but that doesn't mean the homeowner, too, can't make use of cover crops in lieu of mulch....

Q.--
What are the advantages and disadvantages to the landscaper of a cover crop as opposed to using leaf garden mulches in the garden?

From aesthetics to cost, learn the pros and cons of mulch vs. cover crops....

Q.--
What is dyed mulch or "colored mulch?"

Colored mulch is somewhat controversial, even if we restrict the conversation to one of aesthetics. Learn about what colored mulch is and why we have it....

Q.--
Is dyed mulch safe to use?

As if its appearance didn't generate enough controversy, questions also surround how safe it is for humans to garden with dyed mulch....

Q.--
Does colored mulch affect plant growth?

Separate from the question of whether colored mulch is harmful to people is the question of its effects on plant growth. Does colored mulch release any toxins into the ground that harm plants...?

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