You are here
Following the Governor’s announcement on the re-opening trajectory for Ohio, see Holden Forests & Gardens request to reopen the Arboretum grounds on Tuesday, May 12, 2020.
The 2019 novel coronavirus (COVID-19) is a contagious disease that is rapidly
spreading from person to person in the Commonwealth of Pennsylvania. COVID-19 can
This Plan is intended to outline plans for preparing for emergencies and for immediate response and short-term recovery efforts in an emergency.
Mulches provide many benefits for trees and shrubs.
The Secretary of the Interior’s Standards for the Treatment of Historic Properties and the Guidelines for the Treatment of Cultural Landscapes provide guidance to cultural landscape owners, stewards and managers, landscape architects, preservation plann