Bacterial leaf spot can move into the stems, resulting in dieback of the ivy tips. Fungal leaf spot produces large tan to brown spots on leaves.

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When it comes to poison ivy, Porter said the saying, “leaves of three, leave them be” is good to remember. On a poison ivy plant, each leaf typically has three leaflets.

Boston ivy, Parthenocissus tricuspidata – another woody vine common in urban landscapes, often found growing up the side of a home. Older plants have a three-lobed leaf and are usually a glossy ...