My Potted Outdoor Plumbago’s Leaves Have Turned Yellow

Question

I live in Ibiza and we have had a hot summer, it is now 1st October

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Answer 1

This is, likely, a case of just a little too much water! They are quite drought tolerant, though they benefit from watering. They do prefer a thorough dry out between waterings.

Treat with a mild fungicide, and give it a light pruning in Spring. Make sure to let it dry out down to a few inches between waterings, and it will likely recover.

Here are some articles that will help:

https://www.gardeningknowhow.com/ornamental/shrubs/plumbago/growing-plumbago-plants.htm

https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm