Originally Posted by FAX
Yeah, that's a different species of walnut than what I grew up around. The ones we had were round, wrinkly, solid black little deals that were hard as stone and just as difficult to crack.
You're probably correct.
If you'll notice his trees were not tall and straight as a normal "Timber Walnut" tends to appear. He's growing Walnuts that have been bred to produce a meaty product that's easy to harvest. There is a pretty substantial difference.