It’s that time of year where pines and other flowering plants are dusting the world with tons of yellow pollen, but if you see orange dust on a pine tree, that could be the sign of a damaging ...

Rust appears on perennial ryegrass leaves in August. Show more Show less Rust appears on perennial ryegrass leaves in August. Orange dust clinging to equipment tires or shoes after passing through a ...

Q: Last year I learned I had rust on my serviceberry and hawthorn trees. What do I look for this year to prevent that? A: It’s hard to prevent rust infections on vulnerable plants unless you are ...

One of the oddities that nature throws our way in late June is the rusty-orange dust that sometimes mysteriously shows up on cars and walkways under trees. The powdery substance is usually from spores ...

What happens when you combine mild weather, rain that lasts for a day or two, and rapidly growing plants fighting for space? Besides a bounty of flowers, foliage might take on an orange-splattered ...

The popular daylily -- to many gardeners the "perfect" perennial -- now exists in a less-than-perfect world. Daylily rust or Puccinia hemerocallidis, a fungal disease identified in this country in ...