Old 03-21-07, 06:52 PM
Thread Starter
Join Date: Apr 2003
Location: USA
Posts: 118

What type soil should I use in my flower gardens? I can get mushroom soil or topsoil. Would mushroom soil be ok for growing grass? What other soil
would you recommend for flowers and vegtables? Thank you in advance for you response. Ron
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Old 03-22-07, 08:54 AM
Join Date: Jan 2007
Posts: 52
you don't want to use all compost in your garden or it might burn the plants. I would use 1 part compost and 2 parts topsoil. So that translate into when you are loading your cart, scoop one shovel of compost for every 2 shovels of topsoil.

If you aren't going to create a raised garden bed then you might not need the topsoil or as much, just till in the compost to the existing soil.
Old 03-24-07, 12:58 PM
Join Date: Aug 2000
Location: USA
Posts: 15,834
Beds are best prepared in the fall. If soil does not drain well, it will need organic matter like your mushroom compost, peat moss, or well rotted manure. Dig 8-10 inches deep and turn over the soil. When preparing beds in fall, you have the opportunity to redig three or four times at weekly intervals to better turn the soil. Fertilizer is worked into soil before planting. Peat moss can be added along with other soil amendments at this time. One to two inches of peat moss usually does well in ordinary soil. For clay 2-4 inches may be adequate. For fertilizer 1 1/2 lbs. of 5-10-5/100 SF. A soil test is the only way to really know what amendments your soil needs.
Old 03-25-07, 09:59 AM
Join Date: May 2002
Location: Maryland zone 7
Posts: 1,716
Hi Ron,

You already have soil so I wouldn't recommend purchasing more. Bringing in topsoil can also bring in weed seeds.

With no disrespect to anyone, peat moss isn't a good amendment for soil. It contains very few nutrients and once dry, is difficult to rewet. It also depletes the peat bogs. The third site has a nice chart where the compare the pros and cons of peat and compost.

Compost, if well aged, will not burn your plants. Compost is aged organic matter. It adds good microbes to the soil, improves the tilth (texture) of the soil and helps to aid in drainage and improve water retention.

When preparing a new bed or the soil for a lawn, adding a 3" or 4" layer of compost and mixing it in will do all the above for your plants and soil.

When you say "mushroom soil" I'm thinking you mean the spent compost from growing mushrooms sometimes called spent mushroom compost or SMC. This can be variable so I would recommend it over topsoil, but not if you can get a well rounded compost.


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