Re: Too much or too little water?
The type of mulch onl matter when it does to your liking. Organic mulch is good if your interested also in improving your soils nutrients naturally and also improving the soil, and that is great and inexpensive. But the use of lava rocks if that is your liking will also work greatly. After all the results of using mulch is to keep the hot sun off of the soil, thus decreasing the amount of water loss. So you see either one if used in a thick enough layer will do it's job so use what you prefer, either asthetically or nutient wise.
Salute'
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