We are well into fall, and many trees have shed their leaves. Some, though, have kept their foliage due to a ...

A flowering hydrangea plant has a leaf with a hole in it. - Honki Kumanyan/Shutterstock Did you just notice a bunch of holes in the leaves of your beloved hydrangea and are wondering what could have ...

Powdery mildew on Tatarian maple leaves. Photo courtesy Getty Images. Welcome to our tree column, “Ask your local arborist.” Each month, arborists from the Davey Tree Expert Company in Menlo Park ...

If your plant is sporting crispy, dark or brown tips on the leaves, it may mean you need to water more often. Check the soil moisture, and slowly reduce the number of days in between watering. Watch ...

The red pigments in some fall leaves have proven to be a puzzle for researchers who debate why leaves bother to go red.

We're deep into fall here in northern Illinois, and a thick layer of leaves crunch underfoot. While many of us are gearing up ...

Squash plants grow very quickly and put on a mass of foliage as they develop. These large leaves can turn yellow for various reasons, but what causes discolored foliage and how worried should you be ...

Your soil can also be an issue—test the soil's pH to see if it's too acidic. Growing your seedlings can be a satisfying and economical way to garden. But those tiny, delicate baby plants are ...

As the long, warm days of summer transition to a darker, cooler winter, leaves across much of the country put on a dazzling display of colors. And as it turns out, the oranges, reds, browns and ...

Unraveling the mysteries of plant growth, a recent study titled “How plants decide their size: Study maps plant growth ...

Although the chemistry of autumn colours is well understood, there is an ongoing debate among scientists about why trees evolved their vivid autumn colours in the first place.

Did you just notice a bunch of holes in the leaves of your beloved hydrangea and are wondering what could have caused them? Before you begin frantically spraying your plant with random insecticides, ...