Bulbs, Corms, DivisionNew bulbs form beside the originally-planted bulb. Separate these bulb clumps every 3 to 5 years for largest blooms and to increase bulb population. Dig up the clump after the leaves have withered. Gently pull the bulbs apart and replant them immediately so their roots can begin to develop. Small new bulbs may not flower for 2 or 3 years, but large ones should bloom the first year. Use this method with tulip and narcissus, for example. Many bulbs require a period of low temperature exposure before they begin to send up the new plant. Both the length of this exposure and the temperature are of critical importance to commercial growers who force bulbs for holidays. Corms Large, new corm forms on top of the old corm, and tiny cormels form around the large corm. After the leaves wither, dig up the corms and allow them to dry in indirect light for 2 to 3 weeks. Remove the cormels, then gently separate the new corm from the old corm. Dust all new corms with a fungicide and store in a cool place until planting time. For example, use this method with crocus and gladiolus. Division Plants with more than one rooted crown may be divided and the crowns planted separately. If the stems are not joined, gently pull the plants apart. If the crowns are united by horizontal stems, cut the stems and roots with a sharp knife to minimize injury. Divisions of some outdoor plants should be dusted with a fungicide before they are replanted. Try this method with snake plant, iris, and prayer plant. Lily of the Nile - Rip it apart, it will go into transplant shock, but it will still grow faster than seed. Plant only where it is white and not where it is green. You can mist them because you do not want to get it too wet and then it will get root rot. Iris - Rhizone, anytime Day Lilies - Propagate anytime. Plant twice the depth and make sure which end is up. You do not need to water this that much because it is a storage unit. The following plants are easily divided:
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