Your raised garden box soil should contain the following.
Best soil mix for raised garden beds.
Filling your raised beds is an opportunity to get high quality soil and to fine tune the mix of fertilizers and amendments.
50 of your growing medium should be compost buy at a local nursery or here online.
The first potting soil i can recommend is the all natural soil mix of the soil mender raised bed mix.
The best soil combination for raised garden beds should have two parts.
Any leftovers in the manure can hamper the fertility of the soil.
Since you are mixing up your own raised garden bed soil you have all the freedom of a cook in the kitchen.
The other option is to treat the raised bed as an extension of your garden in which case the soil will be mostly real soil sand clay and silt.
The perfect way to make sure that your compost is ready is to spread it in the fall.
1 part compost make your own or if you live in arizona the compost from arizona worm farm is great.
These manufacturers know what they re doing as they stress the importance of good soil.
See test and improve your soil for more information.
Lime raises the ph of soil.
The best soil for a raised bed vegetable garden.
Add in a little mix to the compost like peat pumice or vermiculite.
This helps in the drainage of the bed quite useful for root vegetables.
The final contender for being the best raised garden soil is the soil mender product.
3 bags teufel s organic compost 3 cf x 3 9 cf.
To learn more about this topic see our soil and soil amendments guide.
A single bag is enough for 1 5 cubic feet of space.
It has the right texture composure and mineral base for the job.
With it s combination of natural compost topsoil coco fiber and a variety of organic material this soil mix is excellent for general gardening use but most especially for raised beds.
You can purchase it in bags from a garden center or in larger bulk.
5 bags black gold peat moss 2 2 cf x 5 11 cf.
If you use bagged then a mix of several different types is best.
Part one the growing medium.
Soil mender raised bed mix.
You can purchase soil test kits and add some lime to your growing medium if necessary to ensure your plants are growing in optimal conditions.
It will not dry out as much and it won t need as much fertilizer.
High quality amendments to feed your plants.
A good base or growing medium.
Alternatively you might make a base soil by blending equal parts coarse horticultural vermiculite peat moss and good quality organic compost.
Peat moss for moisture.
Add any amendment to the basic soil mix that suits your purposes.
One quarter of your soil mixture should be garden soil.
1 part peat moss or coco coir.
Vermiculite for good drainage.
The lower maintenance may result in slightly lower yields but i am not convinced you will notice a big difference.