\u00a9 2021 wikiHow, Inc. All rights reserved. The best growing conditions for hemerocallis are moist, fertile and well-drained soils in full sun. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. I now know when to separate the bulbs. However, I have done them at all times as long as they are not in bloom with either foliage or the flowers. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Divide your alstroemeria by the rhizomes for propagation. ", "I have some lilly plants that need to be moved and these instructions were very helpful. This image may not be used by other entities without the express written consent of wikiHow, Inc.