‘Pee for the peonies’: researchers say urine fertilizers encourage blooms – and there’s never a shortage

But environmental engineering professors Nancy Love and Krista Wigginton ask garden visitors not to drop their drawers

A pair of University of Michigan researchers are putting the “pee” in peony. Rather, they’re putting pee on the vivid spring blooms.

Environmental engineering professors Nancy Love and Krista Wigginton are regular visitors to the Ann Arbor school’s Nichols arboretum, where they have been applying urine-based fertilizer to the heirloom peony beds ahead of the flowers’ annual spring bloom.

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