A 333-year-old black walnut tree in Saddle River has been named New Jersey's largest of its species again.

Warmer, drier summers and extreme weather events considered possible as the climate changes would be especially troublesome -- possibly fatal -- for walnut trees, according to researchers. Warmer, ...

The black walnut tree (Juglans nigra) is well-loved for its beauty and the walnuts it grows. However, the roots of this tree produce juglone, a chemical released in the soil surrounding the tree that ...

The current study aimed to elucidate the genetic variability existing in walnut germplasm and to determine the potential traits for selecting elite genotypes. Ultimately, an ample amount of genetic ...

Sometimes a sustainable farming practice is as simple as not doing something. That’s the takeaway from a recent project conducted by UC Davis researchers, who found that delaying irrigation of walnuts ...

Planting the right type of tree can possibly make your home look more attractive and is among the key landscaping tips to affordably boost your property value over time. You might also reap other key ...

Q: I recently learned that I have a large black walnut tree near my garden that is negatively affecting its productivity. Are ...

Thousand cankers disease, a relatively new disease to Colorado that is lethal to infested black walnut trees, has now arrived in the northeast plains. The disease was confirmed in Fort Morgan through ...

Warmer, drier summers and extreme weather events considered possible as the climate changes would be especially troublesome - possibly fatal - for walnut trees, according to research at Purdue ...