|Some bulbs after flowering for the first time, only come back green but no flowers.
|Answer from NGA
May 22, 2010
|Bulbs may not bloom the following year if you remove the foliage too soon. You can cut down the flower stem when the flower is spent but you need to leave the foliage alone and allow it to die down on its own. As long as it is green it is busy manufacturing carbohydrates for the bulbs. The bulbs store this energy and use it to produce next year's flower and leaves. Hope this information helps.
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