: Highly valued for its dark, durable hardwood and distinctive spicy odor.

: Generally preferred if your primary goal is high-yield nut production with thinner shells.

: Often the best for finding saplings already acclimated to your local climate.

: Walnut trees produce juglone , a natural chemical that can be toxic to many other garden plants (like tomatoes and azaleas). Ensure you have a clear area where its roots won't interfere with sensitive landscaping.

: Once established, they are relatively hardy and drought-tolerant.