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baker44 · May 3, 2008, 05:51 PM

I have come into possession of 4 very large bags of straw or hay (I don't know which) and I was wondering if it can be used for mulch around my trees. If so, does it change color with time and will it eventually disintegrate.

Clough · May 4, 2008, 04:47 AM

It would be best to know exactly what you have and the areas where you got them from in order to answer your question the best.

Yes, you can use hay or straw for mulch. But, I wouldn't advise putting them around trees or piling them very thick because they are favorite types of nesting and hiding places and materials for rodents and insects of various sorts. Also, hay can contain a large number of weed seeds. You could use them in thin layers in various types of flower or vegetable gardens though in order to retain moisture. I don't think that either of them are very ornamental. They will break down in time and can also be worked into the soil in the fall so as and aid to the soil for the next years plantings of flowers or vegetables.

If you are going to use any mulch around trees, I would suggest using a bark variety and keeping it at least six inches away from the trunk of the tree so that the bottom of the tree doesn't rot out because of the retained moisture.

There is also some excellent information on the following links concerning using straw or hay as a mulch.

How to use mulch

Mulch

Mulching Tips

Mulches for the Home Vegetable Garden

iCanGarden.com

Straw for mulch? - Cutting Garden Forum - GardenWeb

Publication: Mulches for the Home Landscape

Use of Straw as Mulch: A Cover Story

Control Weeds in the Garden and Landscape

MOWERMAN2468 · May 4, 2008, 05:35 AM

Simply, yes, you may use straw or hay for mulch.

Clough · May 4, 2008, 05:53 AM

Comments on this post bushg agrees: very informative, glad to learn about keeping the mulch too close to the trunk.

There is a home in the city in which I live where I house-sit frequently. When I am driving up the hill on the way to their home, there is another home where some people have put a bark mulch of some kind about a foot alongside up the trunk of a tree. They also planted Hostas in the mulch. The Hostas appear to be doing pretty well. The tree in a few years? Goodbye tree... (sad).