Chrysanthemums have been cultivated in China and Japan for 3000 years. There are 150 species and thousands of hybrids. The modern garden "mum" is a many-crossed hybrid from 3 wild species, recently reclassified and now called Dendranthema.
They grow in most well-drained soils. Humus and decayed manure are highly beneficial. They are gross feeders preferring small amounts given frequently. Ample watering over summer and autumn is essential. Their shallow roots respond well to mulching.
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