The Q&A Archives: Caryopteris Leaves Turning Yello

Question: I planted 9 caryopteris "dark knights" about three weeks ago. We had a lot of rain prior to my planing them and some of them were planted in soil that was pretty muddy. It has rained a few inches sin e they were planted and now I have noticed that many of the under leaves of the plant are turning yellow. What is causing this and how can I fix it?

Answer: Caryopteris in general are quite problem free plants, however they do require a full sun location in soil that is well drained, meaning not soggy. (Once established, they are considered to be very drought tolerant.) Yellowing of the lower leaves can certainly be a symptom of overwatering. If you planted them in a heavy clay soil that stays waterlogged, planted them in a low spot that is extra damp after rain, or planted them deeper than they grew originally, you might be seeing the results of a root problem due to excess moisture. If you think any of the above would apply, you might try transplanting them to a more suitable location. I hope this helps you trouble shoot.

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