Catawba's USDA hardiness zones are 5 through 9A ... making a mess, and the tree looks ragged with yellow leaves in late summer. Flowers make somewhat of a slimy mess for a short period when ...

Lemon tree leaves ... USDA Plant Hardiness Zones 8-11. When they’re exposed to temperatures below 32°F or above 95°F, they ...

Sensitive to cold temperatures, there are a dozen or so types that can be grown outdoors in USDA hardiness zones 8 to 10 ...

Yellow poplar (Liriodendron tulipifera) is considered one of the tallest hardwood trees in North America. This large, deciduous tree is located in Zones ... However, if leaves have become heavily ...

Fruit trees can be one of the most rewarding additions to your garden. A well-cared-for, mature apple tree can yield between ...

Some leaves gradually turn yellow and drop. The tree is about 18 years old and overall, I think it looks healthy (no leaking sap, visible insects, black spots on leaves, no soggy soil areas under ...

Your maple tree has tar spot, a fungal disease that infected the leaves of your soft maple in early spring. Symptoms of maple tar spot begin with small greenish-yellow spots that begin to form on ...

but you may have noticed some tree leaves are turning yellow. Why is this? Trees lose their energy source during fall with the loss of sunlight, but in July, there is plenty of sunlight which ...

On a February day, it may seem as if all the trees and shrubs ... of marcescence. Brown leaves attached to huge white oaks danced in the wind. The long, brownish-yellow leaves of the sumac ...