Visited my property in northern Michigan last weekend to check on trees and such. I have a 20 plus year old American hybrid chestnut tree that finally produced a couple nuts in 2022. Stratified and planted in a root pouch spring 2023 and was very healthy when last fall came around. I decided to plant it out on a south facing ridge last fall. On May 12 it was just starting to bud. Checking on the tree last weekend (6/15), and it is looking very healthy, it has grow a foot, nice dark green leaves and it has quite a few catkins on it. Just find it unusual that a 14 month old seedling tree would already produce catkins. The tree is a little over 3.5 feet tall. Nature is like a box of chocolates sometimes..