Plant breeders have given us some spectacular wonders for our gardens over the years.  We now have beebalm and phlox that are more resistant to powdery mildew. Coneflowers now come in bright bolder colors with sturdier stems.  We even have different Joe-Pye-Weeds that are shorter, more compact and even some like Eupatorium altissimum ‘Prairie Jewel’…