Trellis rust on Pear Tree

I have 2 pear trees that look nice in spring but suffer every summer and fall from trellis rust, an ugly fungus that apparently overwinters in Junipers. The city’s ornamental ‘Chanticleer’ pear first showed it and later my dwarf fruit…

Pear Tree After Pruning

The pear tree in my backyard is at least 30 years old. I had it pruned for the first time ever, by an arborist, two years ago. There were signs of small scale trellis rust. The tree flowered nicely last…