Sometimes called volunteer trees, weed trees pop up where you least want them to in your yard. Managing them can be ...

For agriculture, forestry or as ornamental plants, humans have brought countless plants to countries or even continents where they did not originally occur. Some of these have become invasive and are ...

Stop planting Chinese pistache! Apparently 8.1% of our urban tree canopy is Chinese pistache (Pistacea chinensis), now the most common urban tree in Chico. I have spent hundreds of hours with ...

Hello Mid-Ohio Valley farmers and gardeners! This week I want to talk about Tree-of-Heaven (Ailanthus altissima), an invasive ...

Hello Mid-Ohio Valley farmers and gardeners! This week I want to talk about tree of heaven (Ailanthus altissima), an invasive ...

As a passionate gardener, I know how thrilling it is to envision a lush, vibrant yard filled with beautiful trees. However, not all trees are created equal, and some can bring more challenges than joy ...

Question: I’ve noticed these tall trees growing along the bridge across from Stewart Park. They have interesting seed pods.

The tree was old when we moved to the farm 36 years ago, about the age of this farmhouse we figured, 160 years. I know she was here as far back as the 1940s because we have a photo of her in her ...

Imported as an ornamental shade tree and prized for its ability to grow under poor soil conditions, tree of heaven can now be found in at least a third of the United States. Able to reach heights of ...

Norwalk city leaders and conservation officials are working to stop the spread of the invasive spotted lanternfly by cutting back on a favorite feeding supply — the ailanthus tree, commonly ...

Gardeners across the UK are being warned about a sneaky invasion of non-native plants that could wreak havoc in their backyards. Arbtech ecologists have sounded the alarm over eight widespread ...

Tree of Heaven (Ailanthus altissima) Vine-like fern (Lygodium japonicum) Water hyacinth (Eichhornia crassipes) Water-primrose (Ludwigia gradiflora) Whitetop weed (Pathenium hysterophorus) ...