I recently added a purple sage bush to my garden and I'm curious about the best practices for keeping it healthy and vibrant. Specifically, I'd love some advice on ideal sunlight conditions, watering frequency, and any particular soil preferences. I've heard that they can be quite hardy, but I want to make sure I'm doing everything I can to help it thrive. Additionally, any tips on companion plants or design ideas to showcase its beautiful purple foliage would be much appreciated!