Friends of The Frelinghuysen Arboretum
The Friends of The Frelinghuysen Arboretum have pursued their mission to support and promote the development of The Frelinghuysen Arboretum
and other horticultural facilities of the Morris County Park Commission by fostering and developing public awareness, knowledge and enjoyment of horticulture and the natural world.
Friends of Fosterfields and Cooper Gristmill
The Friends of Fosterfields and Cooper Gristmill assist the Park Commission in maintaining a high level of excellence at Fosterfields Living Historical Farm and Cooper Gristmill.
The Friends also promote and sponsor a public education program of historical and agricultural projects and activities. Members enjoy free general admission, discounts for special events, advance notice of activities, and a free subscription to the Gazette newsletter.