Union County is located in Northern New Jersey, to the. southwest of Manhattan, and just to the west of Staten Island to. which is connected by the Goethals Bridge. Within New Jersey it. is bordered by Middlesex County to the south, Somerset and. Morris Counties to the west, Essex County to the north, and.
Cold hardy, tropical trees and plants can give you that âislandâ feel all year long. In fact, a few cold hardy palms will grow as far north as the USDA plant hardiness zone 6, where winter lows dip to -10 F. (-23 C.).old hardy, tropical trees and plants can give you that âislandâ feel all year long. In fact, a few cold hardy palms will grow as far north as the USDA plant hardiness zone 6, where winter lows dip to -10 F. (-23 C.).
Hardy hibiscus that grow in USDA zone 5 tolerate temperatures to 20 below zero F during their dormancy. The rose mallow-Texas star cross, hardy hibiscus, tolerates temperatures to 30 degrees below zero F. Hardy hibiscus depend on dormancy to protect them -- soil protects tender roots and crowns from freezing winds.