Informative Gardening Sites

AMERICAN HOSTA SOCIETY
AMERICAN ROSE SOCIETY
ARBORISTS (FIND BY STATE) 
BROOKLYN BOTANIC GARDEN
CORNELL COOPERATIVE EXTENSION
CORNELL INSECT DIAGNOSTIC LAB
HORTICULTURAL SOCIETY OF NEW YORK
HYDRANGEAS
NATIVE PLANT DATABASE OF NORTH AMERICA
NATIVE PLANT SOCIETY OF NEW JERSEY
NEW YORK BOTANICAL GARDEN
OHIO STATE UNIVERSITY COOPERATIVE EXT.
PENN STATE INSECT IDENTIFICATION LAB
RUTGERS FACT SHEETS
RUTGERS SOIL TEST LAB
RUTGERS WEED GALLERY
UNIVERSITY OF ILLINOIS EXTENSION SERVICE
USDA PLANT DATABASE
VIRGINIA TECH COOPERATIVE EXTENSION
VIRGINIA TECH INSECT IDENTIFICATION LAB