Master Gardener: Plant this shrub for flowers on sloping land

Q: We’re looking for a flowering shrub for a slope at the rear of our yard that looks good but won’t need too much water or care. The nurseryman suggested planting rockrose; would this be a good choice?
Depending upon the species, rockrose blooms from late spring through summer with a multitude of inch flowers. These evergreen shrubs perform well in hot sunny locations and are quite drought tolerant once they are established. (Photo by Ottillia “Toots” Bier)
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