petunia sticky leaves - Knowledgebase Question

tampa, fl
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Question by nowintampa
December 12, 2006
periodicaly my petunias develop a very sticky texture on the leaves and stems. they are in full sun

Answer from NGA
December 12, 2006
Petunias are naturally sticky - when you pinch a stem to deadhead, you'll feel the stickiness. But, excessive stickiness can be the result of aphid feeding so you'll want to closely inspect the undersides of the leaves for evidence of these pests. A second possibility is that your plants are growing beneath a tree that's periodically infested with aphids. These pests feed on the fluids of the leaves and exude a sticky substance called honeydew (for obvious reasons). Aside from that, expect the stems and leaves to be naturally sticky.

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