Not a great picture, but here's my newest bed with shallots, spinach, and elephant garlic in it.
I wouldn't put vermiculite in a soil mix. I have a bed that it was used to create 20 years ago and the soil in that thing is horrible now. I just use aged horse manure and a bag or two of other manures, a bag of vegetable garden mix and peat moss. You can use regular garden soil too, but the problem with it is that it is full of weed seeds. If you use only prepared mixes/manure/peat then you'll start out with a weed free mix.
As you can see in the picture, I put cages over my garden to keep the squirrels and chickens out. We have so many squirrels here, they dig everywhere constantly and love to dig up those tender plants in search of something that is not even there. Argh I hate squirrels. Anyway, I make a square of pvc pipe and ziptie 48" chicken wire to it, then bring the top of the wire together and ziptie the top shut. If I'll be growing tall plants like tomatoes, then I have a portable fence made with pvc frames and netting that I put around it.
This bed is of course 4x4 but I have four others that are 4x8. As long as you can get to all sides, there's no problem at all getting to everything. I've been gardening in a modified square foot method for 20 years, starting in the 80's when the Square Foot Gardening book first came out. It works well if you have lots and lots of compost and manure in there but if not, the plants really need more space. I adjust the spacing depending on the condition of the soil and how much organic matter is in it.
PS - the wooden cross thing in the picture is my measuring device. Each arm is exactly 12 inches. This way I don't have to have a permanent grid in my garden which gets in the way.

I wouldn't put vermiculite in a soil mix. I have a bed that it was used to create 20 years ago and the soil in that thing is horrible now. I just use aged horse manure and a bag or two of other manures, a bag of vegetable garden mix and peat moss. You can use regular garden soil too, but the problem with it is that it is full of weed seeds. If you use only prepared mixes/manure/peat then you'll start out with a weed free mix.
As you can see in the picture, I put cages over my garden to keep the squirrels and chickens out. We have so many squirrels here, they dig everywhere constantly and love to dig up those tender plants in search of something that is not even there. Argh I hate squirrels. Anyway, I make a square of pvc pipe and ziptie 48" chicken wire to it, then bring the top of the wire together and ziptie the top shut. If I'll be growing tall plants like tomatoes, then I have a portable fence made with pvc frames and netting that I put around it.
This bed is of course 4x4 but I have four others that are 4x8. As long as you can get to all sides, there's no problem at all getting to everything. I've been gardening in a modified square foot method for 20 years, starting in the 80's when the Square Foot Gardening book first came out. It works well if you have lots and lots of compost and manure in there but if not, the plants really need more space. I adjust the spacing depending on the condition of the soil and how much organic matter is in it.
PS - the wooden cross thing in the picture is my measuring device. Each arm is exactly 12 inches. This way I don't have to have a permanent grid in my garden which gets in the way.
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