Ever wonder the best time to see the most rhododendrons in bloom in Laurelwood Arboretum? The answer is: Now. The rhododendron collection in Laurelwood Arboretum includes more than 400 named
The Laurelwood Arboretum Board of Directors has named its newly completed propagation greenhouse the “Dorothy Knippenberg Propagation Greenhouse” in recognition of Dorothy’s lifetime dedication to the hybridization of rhododendrons, azaleas, and other plants.
John and Dorothy Knippenberg purchased 30 acres of property across from their home on Pines Lake Drive West in the 1940’s. The site was developed by them as an active commercial nursery