What is this fungus turning pear leaves orange? Experts answer that and more gardening questions here.

Some of us are starting to notice yellow-orange spots on the leaves of their ornamental or fruiting pear trees.

This also applies to frost-damaged leaves on tender perennials (especially citrus). The outer leaves, even if they’re black and crispy, will protect the inner leaves from further frost damage.

Pear scab can attack pear trees in the spring. The fungus overwinters in infected, fallen leaves and in some cases on twigs, according to Jay Pscheidt, a plant pathologist with the Oregon State ...

While cacti are striking and structural plants, they are not a good plant option if you have children or inquisitive pets.

Question: I have pears in my yard, and this fall, I noticed these yellow areas on some of the leaves, and then underneath, there were a sort of strange spiky growth. Is that a fungus or something?

Question: I have a pear tree that bore good fruit this year, but I noticed that the leaves at the tip of some of the shoots are curled and have some black spots. What causes that?

ANSWER: April's excessive rains caused various leaf spot diseases on area trees, including Bradford pears, and this lead to the shedding of leaves. There is nothing to be done now.