Abstract: A new cultivar of Physocarpus, ‘Jefam’, that is characterized by its unique foliage coloration with leaves that emerges bright orange in spring, turn green on older wood, and become purple in fall, its oblate plant shape and its compact plant habit.
Abstract: A new cultivar of Betula tree, ‘Jefpark’, that is characterized by its narrowly columnar and ellipsoidal plant habit and its compact plant habit, and its dense branching with lateral branch angles of less than 45° to vertical.