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QUESTION: Wilmington, DE
Many of my rhododendrons' leaves are turning slightly then increasingly yellowish. Is there a specific fertilizer that's useful in preventing that?

ANSWER: It is natural for your rhodo to have some leaves yellow and drop. Even evergreens will shed leaves. If the leaf drop is severe, check the underside of the leaves for insects. In addition, rhododendrons need good drainage with plenty of moisture, but their roots will rot if the soil stays too wet, which can cause the whole shrub to turn yellow. Rhododendrons do need acid soil, so use an acid fertilizer formulated for them if your soil is on the alkaline side. Feed them after they bloom in the spring.

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ENJOY SUCCESS WITH INDOOR FERNS

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Ferns are fabulous houseplants. Their fronds offer a wide variety of colors and textures, and they come in a wealth of shapes and sizes. They’re efficient at removing VOCs and indoor air pollution and most varieties look right at home in your home (or office), no matter what décor style you embrace. Despite these lovely qualities, ferns have something of a finicky reputation among some gardeners. Use these tips to ensure success with beautiful ferns indoors. Read more...


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