It sounds redundant, but New Hampshire's state flower is the purple this
[DOC] [TLE] new hampshire state flower - purple lilac - State Symbols USA [PAR] New Hampshire designated the purple lilac as the official state flower in 1919 ... 
evening primrose and buttercup were all considered, but the purple lilac was... [DOC] [TLE] New Hampshire State Flower - 50States.com [PAR] The purple lilac, Syringa vulgaris, is the state flower of New Hampshire.