Answer: Achimenes are tender perennials, native to the tropics, and are usually treated as annuals, or grown in greenhouses. If you grow them outdoors, plant the rhizomes in the spring, about 1 inch deep in moist peatmoss and sand. Keep them well watered and in the shade. In the fall, dig the rhizomes, dry, and store in a cool place over the winter. In the spring replant them.<br><br>If yours didn't bloom, perhaps the environment wasn't quite right, or the plants were too immature. Dig the rhizomes now, store them until spring, and then plant them again.<br>They may bloom next year.
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