That batch of young oaks I planted all had the same curl in their leaves

Turns out it was a zinc deficiency in the soil. A bit of fertilizer sorted it out.

2 comments

2 Comments

Wait, zinc shows up in the newest leaves first? That seems backwards, I would've guessed the old ones went bad first. Why does it work like that?

Read somewhere that zinc problems usually show up in the newest leaves first. Makes sense with young trees.