In the Willamette Valley, we do not have winters with prolonged deep freezes. So if you want to build your own hibernaculum here in Oregon, most of the plans online will not be appropriate. Our frost line rarely exceeds seven inches and building a hibernaculum six feet deep is a waste of time.
I am in the USDA plant hardiness zone 8b with winter temps down to 10 – 15 degrees Fahrenheit. Reptiles for the most part only need to be twelve or so inches underground to be safe. So here is my hibernaculum plan:
Picking a Hibernaculum Site
Hibernaculum sites should be sloped Continue reading “Building a Hibernaculum”