Answer: Chrysanthemum flowers are sterile so you'll need to purchase plants and then divide them to increase your stock. After the foliage and stems die down in the winter and the roots have time to rest, they'll send up new shoots. As soon as shoots are visible in the spring dig the plant and divide the roots so that each shoot can become a new plant. After a few years of division, you'll have a whole yard full of chrysanthemums!
Q&A Library Searching Tips