Q.Mahoganey Trees
Can they grow in Galveston County, Texas? Also, if so where can i get seeds besides under a tree?
Certified GKH Gardening Expert
You are in hardiness zone 9 and those trees are hardy in zones 10 and 11. You could try it with winter protection and see how it does. You can mail order seeds from a reputable seed catalog company. (I would discourage buying from individuals. We hear from many disappointed folks who write in and say they only received a weed.) A Florida nursery or catalog may have them since they are popular in Florida.
These articles should help.
https://www.gardeningknowhow.com/ornamental/trees/mahogany/mahogany-seed-propagation.htm
https://www.gardeningknowhow.com/ornamental/trees/mahogany/information-on-mahogany-trees.htm