Since they've been interbred from 'Ruby Giant' purple coneflower and yellow coneflowers, 'Tomato Soup' coneflowers, too, showcase decent tolerance for poor, dry, and rocky soils. They sail through ...
AGRICULTURAL AND FARM NEWS Aster yellows is a condition that affects many flowers including not only coneflower, but also asters, chrysanthemum, coreopsis, cosmos, daisy, dianthus, gladiolus, ...
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