Southern Highlands Reserve is a non-profit organization sustained by the generosity of members and friends. Becoming a Sustainer at the Hemlock level will help us to maintain and expand our propagation greenhouses for production of high elevation native plant species. As a Hemlock Sustainer, you will also enjoy a complimentary Private Tour to the Reserve, Early-Bird access for the Native Plant Symposium, and a 15% discount at our Annual Plant Sales.