Boxwood Blight: Can You Help Identify?

Hi Rick,    I googled photos for boxwood blight and the leaves had round dark spots on the infected leaves.  The leaves you show are not the same.  They are yellow but other conditions can cause this : soil acidity, sun, wiring, water or fertilizers.   Boxwood do not like acid fertilizers. What kind do you use?   There are so many variables for healthy potted boxwoods....such as pot size; mine prefer deeper pots.  They also spend most of the day in shade with small amounts of late afternoon sun.
I've been growing bonsai for over twenty years and am still learning.    It never stops!!  

Norma

Your boxwood is fine. Those just look like old leaves. It IS midsummer.

Hi Jim, I've never had (unlike the ficus) yellow leaves on my boxwoods under natural conditions! There is a problem with this boxwood!

Norma

Norma -thanks for your comments...sorry it so long to respond, on holiday!

I try to alternate fertilizers weekly during the growing season. I generally use Miracle Grow or similar and alternate with fish emulsion. I do have my boxwoods in full direct sun for a big chunk of the day...most of seem to be OK. But I will move the inflected one to a less sunny spot today to see it that helps. I'm also trying to keep the inflected plant on the try side, since over-watering seems to exacerbates everything.

Finally, what the heck is nematodes? I'm scared of maladies that I have trouble pronouncing https://2img.net/i/fa/i/smiles/icon_smile.gif !

Oops...the smiley face emoticons at the end of my last sentence didn't work. But you get the picture!

Norma - PS...the leaves do have brown spots and some turn brown all together. Finally, this year the seasons fooled me, so I was late in my transplant cycle. As such, I just double potted the subject plant.