Key Takeaways Pine needle mulch doesn’t significantly acidify soil because the needles lose their acidity as they decompose.Bare spots under pine trees are more likely caused by dry shade and root ...

The Eastern white pine (Pinus strobus) is identified best by its reddish-brown bark and deep furrows, which it acquires as the tree ages. It typically grows to be between 50 and 80 feet tall.

In a Swiss pine forest, the treetops are being sprayed with mist in a bid to discover the effect that drier or wetter air has ...

An average maturing tree under optimal conditions can transport up to 10,000 gallons of water only to capture about 1,000 usable gallons for the production of food and adding to its biomass.

In the sweltering heat that descended in recent weeks, I am especially aware of the cooling effect of urban trees. In the ...