Hi there

I am new here, and I come with a problem. I bought a key lime and a blood orange tree at home depot some 4-6 weeks ago.

I planted the in big containers, bought draining soil, and placed them on a sunny space on my deck.

The orange starts to have problems, pls see the pic. I did not find out how to add more pics yet, but I can send more in a reply I think.

Can anyoe tell me please what sickness this could be?

Thank you so much in advance

Karsten