Complete leaf drop from my aralia. I recently sprayed for aphids that were eating all the new shoots.

Question

All of the old foliage had dropped; any help would be appreciated.

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Answer 1

Here are the most common reasons plants drop their leaves. It's usually over or underwatering, temperature change, humidity, or fertility. I don't think your plant spray affected it, but aphids are sucking insects, they don't consume the plant, so make sure what you used was appropriate for sucking insects.

https://www.gardeningknowhow.com/houseplants/hpgen/houseplant-dropping-leaves.htm

https://www.gardeningknowhow.com/houseplants/aralia-plants/aralia-plant-information.htm