stephenr

I don't bother looking for or using a zero nitrogen fertilizer. I just use SeaSol (Natural seaweed extract) at half strength every two - three weeks during the spring and autumn months. SeaSol is a natural tonic containing most trace elements but no nitrogen.
It is used as a supplement to my normal feeding regime. It can be purchased at any garden supply outlets or even in supermarkets in a concentrated form or ready mixed.

__________________
"We grow by attempting that which is difficult, not what is easy"