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peter_clark30

Bag Mulch Shelf Life

11 years ago

What is the shelf life of bagged cedar mulch? I am working on redoing a lot in my yard and will want a lot of this mulch, but I won't be ready for it for a bit (lots of work first which I am doing myself). I just saw a local store has the mulch on sale which makes me want to go ahead and get a bunch. Would it be ok sitting in my garage for 2-3 months if needed? Could it last longer if I got extra? I don't know if mold would start growing on it or something.


Thank you very much for the help! Obviously I am a major amateur at everything relating to landscaping and gardening so don't want to mess things up by trying to save money.

Comments (11)

  • 11 years ago

    Good to know. Thank you. I know the bags can lock in moisture (from before I buy it) which is what I was worried about. So as long as the bags are mostly dry it should be fine. Thanks!

  • 11 years ago

    Cedar mulch in bags should be okay stored in your garage for 2 to 3 months. I have kept a bag of cedar mulch for a year with no problem that I have seen.

    kimmq is kimmsr

    Peter Clark thanked kimmq
  • 11 years ago

    Excellent news! Now to fit as many bags as I can in my car and make multiple trips...or just rent a pickup for an hour. I guess time for me to finally measure everything and find out exactly how much I need.


    Thank you!

  • 11 years ago

    After you stack them, make a few slits along the sides, like a dashed line rather than cutting the whole side of the bag. This will let any excess moisture slowly escape and prevent mold from growing. It probably wouldn't hurt anything but there's no reason to let it sit there wet in a sealed bag either.

    Peter Clark thanked toxcrusadr
  • 11 years ago

    If you need a whole pickup load, consider having a load delivered, or bring your own truck and buy a scoop from a landscape place. It might be even cheaper than the bags. But not as easy to store, I guess.

    Peter Clark thanked toxcrusadr
  • 11 years ago

    Good idea. A lot easier than filling a lot of plastic bins with it too. Thanks!

  • 11 years ago

    The closest bulk place to me only has cedar in bags at a higher price (although probably higher quality). The next closest one is far enough that renting a truck for them would be more of an ordeal. Sadly not too many places right near me for bulk cedar. And the delivery prices all are high enough to make them higher than bagged. Now if they didn't measure closely and gave extra it would be worth it, but I don't know about these specific places.


    This is when I wish I had a friend or relative in the area with a truck. Sadly none do.

  • 11 years ago

    The bagged mulch product retaining moisture is a non-issue. If it does and you start to see mold, it is harmless and will not adversely affect the mulch or any nearby plants when the mulch is applied. It's just part of a natural process of decomposition. Even algae growth - which is not mold - is harmless.

    Bagged mulch can be kept indefinitely. There is no expiration date :-)


    Peter Clark thanked gardengal48 (PNW Z8/9)
  • 11 years ago

    Good to know. I didn't know if it would affect the insect repelling qualities of the cedar or not. Mostly only care about that for termites (haven't ever had any, but seeing that as a listed benefit is a plus). The fact that isn't a high priority for me though I guess means I shouldn't really care if it is affected or not.

  • 11 years ago

    Peter did you check Menards? There is cheaper stuff out there if you don't have your heart set on cedar. Also some of the villages have free wood chips if you can pick them up yourself.