Q.My Rhoeo Is Doing Fine Butsome Of The Tips Are Turing Brown.
This plant has been doing great; it is a fast grower, but I just noticed a few of the leaves have brown tips. What am I doing wrong?
Certified GKH Gardening Expert
There are two main causes for this.
One will be lower temperatures. Anything under 45 F will start to damage the plant.
The more likely situation is overwatering. They are very drought tolerant, but not tolerant of soils that do not dry out thoroughly between waterings. Overwatering leads to fungal and bacterial infections, and sometimes these can be very difficult to treat.
I would recommend a fungicide, then to let the plant's soil dry out, completely, down to about 3 or 4 inches between watering. Cut off any growth that dies back more than halfway.
These articles will help: https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm
https://www.gardeningknowhow.com/ornamental/flowers/rhoeo/growing-rhoeo-plants-in-the-garden.htm
