Once soil is dry enough, slip the rootball out and check the roots for white growing tips. If they are dark brown or black...damage from the cold has likely been done. (a root trim and re-veg might be advised)

Do not overstress them with additional nutrients, additives and foliar sprays. That stuff doesn't regenerate neckrotic cells, and will compound your problems.

Old growth is old news...is there any new growth at all?

Only bad things happen overnight. Have patience with their recovery. (but keep an eye on 'em)
Rusty Trichome Reviewed by Rusty Trichome on . Major leaf curl, its a mother so need to fix ASAP... Please and thank you :hippy: My lady's leaves are curling and are dark in certain areas, as well as the newest growth is a light green. This MOM is a bagseed that has been growing vigorously. She is 2months and ten days old and had been transplanted from jiffy pots to a 10x7.6x7.6 square pot to a 5gal bucket. Everything has been going fine about two weeks ago I put her in 36hrs of darkness from 24hrs and went to 12/12 after the darkness to have her show pre-flowers then she had 4 days of flowering then Rating: 5