Dietitians are the only qualified health professionals that assess, diagnose and treat dietary and nutritional problems at an individual and wider public-health level. They work with both healthy and sick people.
I have 3 different types of coneflowers: purple, yellow (Goldsturm), and orange (Sunset?). The purple I put in 2 years ago, and just isn't growing. It is still less than 5-6 tall with only 2 leaves, and surprisingly bloomed one pathetic flower. It still looks like the day I brought it home from the nursery.
And, gardeners like to grow a wide variety of them. 1  Sunflowers are basically separated by size. The giant varieties grow over ten feet. 2  Some varieties of sunflowers have one big head or flower. They are usually the giant sunflower varieties. 3  Sunflower seeds are usually a dark brown to black, or large, grey and white striped.