By Lauren Newkirk Maynard In my shade-loving, woodland-ish city yard, perennials rule. The plants popping up every year, and sometimes every other if biennial, delight me with their determination and consistency.  Perennials can be workhorses in the garden, battling climate change, drought, soggy rain and certain pests (deer and rabbits, we see you). They can be grown in all levels of sun and shade, and provide blooms for cut arrangements or interesting foliage in shady spots. They can also help…