|I live in San Diego.
I have 300 square feet of flower bed that needs new soil. The soil in there now isnt hard pan but isnt up to par either.
No existing plants.
Do I need a bottom layer than a top layer? if so, what kind?
|You can add top soil (order 3-way mix which is a combination of garden soil, organic matter and sand) or you can simply improve the soil you have with the addition of organic matter. Start by spreading 4-5 inches of organic matter over the bed. You can use compost, aged manure, shredded leaves or whatever organic matter is readily available in your local area. Dig or till this organic matter into the soil - 8-10 inches deep. Plant and then mulch over the bare soil between the plants with additional organic matter. A 2-3 inch layer will help suppress weeds and slow water evaporation. At the end of the season dig the organic matter into the soil and add a fresh layer. Repeat this process annually and you'll end up with rich garden loam - and a spectacular garden. Enjoy!|