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Gardens To Visit
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Visit a PHS garden or landscape to help build stronger social connections with your community.
For Neighborhoods
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Explore programs that create healthy, livable environments and increase access to fresh food.
For Gardeners
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Engage with PHS on gardening, whether you’re an expert or a beginner.
About Us
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Get to know our story, become a part of our staff, or see what is in the news with PHS.
The Flower Show

Margaret McCarvill

Chair of the Board

Margaret McCarvill is President of MMM, a supply chain, finance and information technology consulting company serving the materials and process industries. Before founding MMM in the spring of 2013, Margaret held global corporate executive positions for a number of chemical and materials companies including Dow Chemical, Rohm and Haas Company, and FMC Corporation. Margaret was elected as Chair of the PHS Board in 2018, having been a member of the Board since November 2014. As Board Chair, Margaret serves as a voting, ex-officio member of all PHS committees but for Audit and Compliance.