Tropicals & Tender Perennials: Poinsettia with root rot, anything else I can do?, 0 by nmcnear

nmcnear wrote:
My mom bought a couple poinsettias for Christmas, which came in undrained pots, and after being overwatered and kept outside in frigid weather, one of them developed severe root rot. The other showed signs of stress (a few wilted/dropped leaves at the bottom) but otherwise seems to be OK. I rescued and repotted both in drained ceramic pots. For the one wit severe root rot, I removed all the soil and as many dead roots as I could. Luckily, the main thick parts of the roots were unaffected, so that's basically what it has left (not much). I planted it in cactus mix with about 30% perlite mixed in - my main interest right now is drainage rather than nutrition. The plants are have been outside in the sun all day, and I've just brought them inside for the night since we've been having nightly temperatures in the mid-30s or so. I figure keeping the plants warmer and drier will give them the best chance of recovery. Is there anything else I can do?

As you can see, the one on the right is not a happy camper.