We had first go at putting aloe plants outside (mid Scotland Uk) under plastic in begining of april but found the leaves going a sick yellow . have saved the lot by fostering them out to family members window sills and all but one have returned to vibrant green. Compost was normal slug damage high weather has been good/ warm since behind glass poly tunnel was a 450mm high medium sized type
Enlightendment needed, .. even ideas on what might be wrong
thanks in advance