Science Night at Jefferson Farm and Garden continues with Decoding Tree Rings: A History Lesson to be held Thursday, Sept. 16, at 5:30 p.m. and will include:

• Science of Tree Rings Presentation
• View wood samples up to 13,000 years old
• Unveiling of the "Troll tree"
• Interactive Q&A with tree ring scientists

This event is free and open to the public.