Ginkgo Leaf Fall

I walked outside to find all the ginkgo leaves on the ground. I might not have noticed but the day before I had just been noticing the leaf color on the different ginkgo trees. And then this morning the leaves were all on the ground. I had to look it up. It’s how the ginkgo trees roll. They wait until the first good frost and then they let go of them all at once, while most other trees do it gradually. I can’t believe I never noticed this before. I