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Easy Glads Reproduction

Corms are most productive during their first six years. Often as they become older they may decline in vigour. For this reason it is desirable to save cormels to develop a constant supply of young, vigorous corms. After a gladiolus corm has been planted, a new corm begins to grow from the top of the old one. In addition to the new corm, smaller corms or "cormels" usually develop at the new corm base. These cormels can be removed and stored for planting the next spring. This method is the easiest to multiply glads because it is possible without any special skills (like division of old corms or growing seeds). Cormels are identical to the mother corm in color and flower type. There are some advices for best results:

Varieties should be labeled as you plant. This will help you to keep them separated at digging time. It is important to keep colors separated because they multiply at different rates. Colors such as white, yellow, and pink are usually quite vigorous and may multiply faster than the dark colors like purple, rose, or smoky. If corms are mixed together, the lighter, more productive colors will eventually outnumber the darker colored varieties. This may give the impression that the glads "have changed colors" to primarily light shades.

Save only cormels of the size of a dime or larger. Cormels of this size can bloom two or three years after replanting.

Before planting in the spring soak cormels in water for one day.

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