Minimum contacts. Minimum contacts is a term used in the United States law of civil procedure to determine when it is appropriate for a court in one state to assert personal jurisdiction over a defendant from another state.
Under ideal conditions, oak trees live an average of 150 years, with short-lived varieties lasting 50 to 60 years and long-lived varieties living more than 150 years.
Many deciduous oak leaves turn brilliant fall shades. Oak trees (Quercus spp.) are either evergreen or deciduous, depending on species. Some oaks, such as the evergreen Coast Live Oak (Quercus agrifolia), hardy to U.S. Department of Agriculture plant hardiness zones 9 and 10, do not lose their leaves in fall.