Veg boxes
We have built some raised beds on a astro turf surface. The beds are high so they are suitable for wheelchair users. I'm thinking we will raise the inside of the beds using bricks and ply to make a higher base. In the boxes we will be growing quick growing leafy greens and pick and come again fruit and veg like peas and Strawberry's. It is a community garden apace so keeping in simple and low maintenance.
Can anyone advise on ratios of soil to use to fill the boxes please? We have limited budget so cheap but effective is key
Thanks
Can anyone advise on ratios of soil to use to fill the boxes please? We have limited budget so cheap but effective is key
Thanks
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Better, as Jos says, to fill with free builders rubble/broken bricks/stones to create a rough base that will help with drainage. A couple of drainage holes drilled right through the structure near the base will help to to drain off any excess water. On top of the rubble mix, which could be around a third or more of the overall depth, add a mix of topsoil, compost, manure, anything you can get your hands on. Local stables? If it’s a community project perhaps local businesses might sponsor a free delivery of topsoil? Free Council green waste compost? Aim to have around 50cm depth of growing medium on top of the rubble, which is more than enough for most veg to grow in. You can get away with a bit less if need be.
I would fill the bed to the top, water it in and let the contents settle a bit before planting, rather than plant then have everything sink. You will end up with a soil level a bit below the top, which will give you enough space to mulch and water. If the soil level is too low inside the bed, it might prove difficult for a wheelchair user wielding a trowel to access and plant stuff - but your WCUs should be able to advise you better than I on that one.
Hope that helps, good luck!
You want bulk to put in the base of the boxes.
You really only need good quality growing medium in the top 10" or so.