They can cause allergies or other health problems. Similarly, black, gray, or dark green spots may be sooty mold, which is harmless to plants unless it grows out of control since it's also a ...

As for diseases, the best strategy is to start with disease-resistant cultivars. “Buy ‘fisherman roses,’” Pscheidt said. “The ...

Leaves from conifers and evergreen plants will take between two and three ... take any longer than 30 minutes to put together. Take a black bin liner and punch a few holes in the side and bottom.