solid7 said:
Cheapest peat. It's gonna be the same stuff that any bagged mix will charge you extra for.
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Suggest that you try to find this, for compost: https://www.lowes.com/pd/Just-Natural-0-75-cu-ft-Compost/3426612
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No, not just any kind of mulch. Leaves, grass, hay, are my top recommendations. All of which you'll have some sort of easy access to. Pile it thick. I just dressed my raised beds today. I piled the weed mowings from my yard in there, between 5 and 7" thick. For a container, I suggest about 3". When you're ready to add fertilizer - if you end up needing to do that in a regular growing season - just peel back the mulch, add it, fold it back over into place.
Unfortunately it looks like that compost is not available instore. But I'll look anyways and at Home Depot.
We need straw anyways so I can grab some extremely cheap at the Home Depot.
That actually makes me need to ask, when does the fish go in? Is it like a once every week thing or not?
I'm pretty sure I got a plan. I'm going to take a look a bit later and list it all. If it looks good, I'll pick everything up tomorrow.