needle blight

New member here! Yesterday I picked up a number of ponderosa pine seedlings from an environmental restoration program that ran out of time for planting and were getting rid of their remaining seedlings. I planted them in pots and quarantined them. Today I noticed some bands of discoloration on...

I'm worried about my Japanese Black Pines. They are showing partially browned out needles. The needles are half brown, half green, and it would appear eventually turning all brown. I'm worried. I don't know what soil they were in when I bought them but it was well draining. Early this Spring I...

After some research, I think this is the disease that is making the low needles of my cascade cork bark JBP fall down. It's been a hot and very humid summer here, and the tree is getting its fair amount of rain showers every day. Other JBP I have nearby seem not affected by the same symptoms...