I just tend to mulch the thirstiest plants, with something like newspaper or grass clippings (cover with soil to look tidy). Here is a good article on mulches: http://www.gardenorganic.org.uk/scho...ingMulches.pdf

One of the easiest mulchest you already have to hand is dry soil ... after watering round your plant, cover the damp soil back over with dry to 'seal in the moisture' (like a facecream)

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