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.).
These fast-growing plants can tolerate cold temperatures and grow as far north as U.S. Department of Agriculture plant hardiness zone 5. Hardy hibiscus grows quickly to reach its mature size within three years. Even after dying back to the ground, it will return each year to its full height.inter Hardiness. Hardy hibiscus, as the name implies, is a sturdy plant that can tolerate cold temperatures to minus 20 degrees Fahrenheit. The plants die back after a frost, but don't worry.