Will any of the American Chestnut trees grow in the north Texas area, or is the climate/soil conditions unfit?

Not sure. I'll have to look into that one. I'm sure people try to grow them here but not sure how successfully.

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Shepherd of the Trees
It is not our part to master all the tides of the world, but to do what is in us for the succor of those years wherein we are set, uprooting the evil in the fields we know so that those who live after may have clean earth to till.