Questions tagged [mulch]

Mulches are gardener-applied ground covers.

The term refers to a ground cover artificially applied to mimic natural leaf cover. Mulches are usually applied to provide nutrients, retain moisture, reduce erosion, for visual appearance, and/or suppress weed growth.

A range of different materials can be used for mulching, including wood chips, pine needles, leaves, cardboard, manure, compost, grass clippings, and gravel. Note that most of these are organic in origin and will eventually break down. Some will provide nutrients (e.g. compost) whilst others will change the soil chemistry and deter the growth of particular plants (e.g. pine needles).

Use these tags for all questions about applying mulches. Questions about specific mediums (e.g. "how to create compost") should use the appropriate tag instead. Use the mulch tag for questions about applying these mediums.

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What's wrong with planting a tree deeper than the root flare, or mulching higher?

People tell you that when you plant a tree, you should plant the root flare level with the soil line. And when mulching, that you shouldn't pile the mulch up over the root flare. What harm can be caused by doing these practices? Tree (Norway…
J. Musser
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Is it beneficial to put plastic or landscaping fabric under mulch?

I am planning on completely re-doing the landscaping around my house and I would like to replace the rock pebbles with mulch. Should I put down a layer of plastic or landscaping fabric before adding mulch? What are the pros/cons of doing this?
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What are these curly mushroom-like growths in my mulch?

In one area of the garden in the house I bought couple of months back, we have mulch and recently we are seeing the following. Not sure if this is a mushroom or not. My current guess is that the mulch is very old and needs to be replaced. But I…
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Is mulch or topsoil better for new lawn in clay soil?

We just built a new home and the back yard has quite a bit of clay in it. We are planning on seeding the yard in the next month (September). I'm trying to decide between topsoil (4-6 inches) or tilling in organic matter. The advantage of the organic…
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Is it better to lay out a drip system before mulching the yard?

I still have lots of empty patches in my garden/backyard that will eventually be covered by plants. But in the meantime, to keep weeds under control, I'm planning on mulching the entire yard. I also don't have a drip system (yes, I water all my…
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Can I mulch a plant bed before planting in it?

Can I mulch a plant bed before I plant in it? Can I just clear out the mulch at the spot where I want to plant shrubs later on? I am planning to grow shrubs and ornamental grass.
anset
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Identify small, white, "ant-like" bug found in chips near tree

Can you help me identify and "diagnose" these small, white, ant-like bugs? There are red wood mulch chips around the base of a tree in my front yard. I pushed some around with my shoe, and was a bit surprised to see a bunch of little bugs like…
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Effectiveness of Using Wood Chips (a la "Back to Eden") as a garden mulch/covering?

This year I revamped about half of my garden space using the biodynamic method found in John Jeavon's material. I now have the other half and after seeing the Back to Eden film I am really intrigued by using this method. I have already tracked down…
Randy
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What can be done with hazelnut shells?

I've found a lot of empty and broken hazelnut shells lying under huge hazelnut shrub. (Most of them were eaten by squirrels but some have worm holes). Is it safe to use them for composting (maybe grinding them would speed up the process)? Or they…
False Identity
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Should I bury my blackberry/raspberry canes in mulch over winter?

I have some blackberries and red raspberries, and I'm not sure how to winter-prep them. After pruning (which I'm skipping this year, since the primocane raspberries are only in their first year), how should I mulch them? Should I take them down from…
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How to pH test mulch and compost?

I've used soil pH test kits in the past where you mix the soil with a solution and look for a color change. This works OK for dirt, but sometimes I'd like to know what the final pH of my planting mix is (a combination of mulch, compost, sand, clay).…
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Pine Bark vs Sphagnum Peat/Sand for Blueberries and Azaleas

I had a quick question, because I'm trying to figure up my mulch and fertilizer needs for this Spring. I had bought my father a couple of blueberry plants, among others, because that's what he wanted for his birthday. They've been in the ground…
Dalton
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What time of year to mulch/feed trees?

This answer recommends putting down a layer of compost mulch in the fall in order to slowly feed the tree. (In addition to the unmentioned weed control and moisture regulation.) It makes sense to me -- I was ready to go out and spread compost around…
bstpierre
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Carpet for Tree mulch

Will I harm my trees if I put sports field turf around them? Should I keep a certain distance away? Thanks
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What are the pros/cons of different mulches?

I know there will be differing opinions on this subject, from different people. I, for one, have always used bark mulch, and can attest to the fact that when used properly, it will build soil and grow healthier plants (ime).I have also heard that a…
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