Z is for Zinnias. What is there to say about Zinnias except that they are cheerful, come in a whole variety of brilliant and tender colors, an array of forms from neat to shaggy. I love them. Renee's Garden will show you some of that variety. They are great in the garden and great in bouquets. The A to Z Challenge is over! I have survived and taken you on a ride through the garden from Apple to Zinnia.…