Answer: You could try creeping thyme such as Thymus serpyllum "Coccineus" or Thymus praecox, or a small growing sedum such as Sedum spurium, or maybe a smaller growing form of Ajuga reptans such as "Chocolate Chip." With dry soil, it is helpful to work in some organic matter such as compost and be sure to use an organic mulch between the plants while waiting for them to spread and fill in. This will help keep down weeds and also add organic matter as it breaks down over time. Your new plants will also need watering until they become rooted and established, then water during prolonged dry spells only. Enjoy your step stones!
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