elderberry rust

Why Is My Elderberry Brown?

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Why Is My Elderberry Brown? Wilt Woes. Verticillium wilt is a soil-borne fungal disease that often occurs in the summer, causing initial symptoms, such as marginal leaf browning, the sudden wilt of all the foliage on entire branches and slow plant growth. Peeling back the bark on an affected branch may reveal streaked, discolored wood.

What Is Eating My Elderberry Leaves?

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What Is Eating My Elderberry Leaves? Aphids. Aphids are small, soft-bodied, pear-shaped insects that are usually wingless and tend to cluster in dense groups where they feed on a plant’s leaves or stems. … Knocking aphids off the elderberry with a strong blast of water or applying an insecticidal soap or horticultural oil are additional