By Nickstamp
United Kingdom 
Why are the leaves of my potted primulas going yellow.
10 Jul, 2011
By Nickstamp
United Kingdom
Why are the leaves of my potted primulas going yellow.
10 Jul, 2011
Because it is the end of thier season and the old leaves are dying back. Let them go yellow and soft then carefully snip them off leaving the fresh, green leaves undisturbed.
10 Jul, 2011