Norfolk,
United Kingdom 
my marrow leaves have yellow spots on them what can i do they where in the green house but have now moved them out today
30 May, 2010
Answers
Big yellow spots where the sun hits the hardest? Is the greenhouse plexiglass, or whitewashed? Did you harden them off before transplanting?
30 May, 2010
Sounds like a nutrient deficiency. Feed them.
30 May, 2010