Although we did have some chilly nights in mid-August, yellow leaves in the summer are often a result of insect infestations, prolonged heat waves, a lack of nutrients in the soil, disease ...

These insects feed by sucking the sap from plant parts, which causes leaves to turn yellow. The occasional yellow leaf on ...

Others play it coy, mimicking thorns, leaves, or insect droppings ... The nymphs have barbs and bright red and yellow accents, probably warning that they’re unpalatable. As their common name ...