In the garden: Evergreens, hydrangeas and raking

Healthy evergreens, including rhododendrons like this one, naturally drop old leaves from time to time. Abundant buds suggest this one will bloom in spring and sprout foliage. (Special to the Democrat-Gazette)

Evergreens do sometimes turn yellow

Q: The leaves on my rhododendrons on the north side of my home in Northwest Arkansas are turning yellow and have brown spots [the reader sent a photo].