The source tree for natural rubber, Hevea brasiliensis, is frequently affected by a bark necrosis syndrome, which has been observed since the 1980s. The disease leads to sharp falls in latex ...

Although they don’t spew ash or ooze lava, mulch “volcanoes” wreak their own kind of havoc. Mounded against tree trunks in sloping piles suggesting a miniature Mount St. Helens, too much mulch can ...

My landscape company was just working on my garden and finished edging all the beds and tree rings. Should I be concerned about the soil piled up against the base of my trees? — Jacob Anderson, ...