More than 500 native plants in San Diego County are held in a Native Seed Bank at the zoo. Those seeds are dried down to a ...

Poison ivy produces small, white, or yellow berries, and its leaves turn red in the fall. Poison oak is similar in appearance ...

Q: What would someone expect to see there? A: In 1995, the 111-acre area comprised of scrubby flatwoods, sand pine, scrub oak and pine flatwoods, was purchased by Indian River County; protecting ...

Galls on oak leaves are harmless growths caused by specific insects. They have different shapes depending on the insect species causing the gall.

An average mature oak tree grows hundreds of thousands of leaves each year. When those leaves fall, their nutrients return to the soil to nourish the tree that grew them, as well as other living ...

Poison ivy, oak and sumac all can create itchy rashes from urushiol. What you need to know before the rash starts.

Do you think you have a good handle on identifying trees by merely looking at their leaves? See if you can identify these 10 common trees.

Once inside the leaf (Fig. 1), microplastics move through spaces between plant cells and can also accumulate inside tiny hair-like structures, called trichomes, on the surface of leaves.

There are a number of plants to avoid in Delaware. Here's how to identify the big three – poison ivy, oak and sumac.

Gardening Australia suggests you check with your local authorities or go to Weeds in Australia to assess the weed potential of any plants for your particular area.