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Kennett Square mushroom grower’s $115 million expansion is a big bet for New York investor

South Mill Champ’s new plant would add nearly 3 percent to U.S. mushroom production capacity, potentially straining rivals’ profit margins, and labor supply.

Margarito Diaz harvests white button mushrooms at Phillips Mushroom Farms in Kennett Square last March. The owner of South Mill Champs is planning a $115 million expansion even as the industry struggles to find workers.
Margarito Diaz harvests white button mushrooms at Phillips Mushroom Farms in Kennett Square last March. The owner of South Mill Champs is planning a $115 million expansion even as the industry struggles to find workers.Read moreMICHAEL BRYANT / Staff Photographer
    by Joseph N. DiStefano
    Updated 
    Published