Answer: Without knowing exactly what shrubs you planted, it's hard to say, as some plants prefer more moisture than others. However, as a general guideline, you want to keep the soil moist, but not overly wet, for several weeks while the roots establish. Then, water when the top inch or so of soil dries out. Since containers heat up and dry out fast depending on weather conditions, you will need to check the soil, rather than rely on a set schedule. Make sure the water is soaking the entire root ball, not just running down the sides of the pot. If you water at night, make sure you don't sprinkle water on the foliage, as wet foliage can promote fungal disease.
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