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.).
At the same time, Zone 21 is also the mildest zone that gets sufficient winter chilling for most forms of lilacs and certain other chill-loving plants. Extreme lowsâthe kind you see once every 10 or 20 yearsâin Zone 21 average 28 to 25Â°F (â2 to â4Â°C).All-time record lows in the zone were 27 to 17Â°F (â3 to â8Â°C).