Answer: Flowering of Lily-of-the-Valley occurs on the three year old pip or crown. The first year a new rhizome begins to elongate in early spring and terminates in a vegetative shoot bud by the fall. The following spring leaves appear. Growth the second season is again vegetative. Early in the third season a flower bud begins to form, and at the same time a vegetative growing point forms in the axil of the last leaf. The pip is used for spring time forcing. So based on the grwoth of the lily of the Valley,you may need older plants to get flowers from forcing. Is it possible to dig up some older plants to force indoors, or have they alrady bloomed in your area?
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