BIBLICAL BOTANY WALKING TOUR OF THE FRELINGHUYSEN ARBORETUM. Learn something new from a very old source, and view The Frelinghuysen Arboretum�fs plant collections through the lens of the Old Testament. Dr. Jon Greenberg returns for his fifth year to walk us through more than 5,000 years of history. His knowledge of botany and the Talmud combine to make a fascinating walk, even for experienced horticulturists. This program is eligible for 1.5 Rutgers Master Gardener CEU�fs.$15 per person.