Over the Garden Gate: Planting the right shrubs for our region
Pennsylvania falls within the defined USDA Northeast region of the U.S.: the western Pennsylvania specific USDA Planting Zone ...
JSTOR Daily5y
Bulletin of Miscellaneous Information (Royal Botanic Gardens, Kew)
List of Seeds of Hardy Herbaceous Plants and of Trees and Shrubs List of Seeds of Hardy Herbaceous Plants and of Trees and Shrubs (pp. 1-21) JSTOR is part of ITHAKA, a not-for-profit organization ...