It’s summertime as I write this, and in the full swing of summer it’s easy to find those dependably cheery flowers: marigolds! Marigolds are ideal for the beginning gardener. They’re hardy and survive in many different environments, from Zone 2 to Zone 11, when sown as seed on the ground, and the common orange variety (or the red and gold variety) are easy to find as small palleted plants at small and larger nurseries. This makes marigold one of my...