George Shirley <gardeners@globalgarden.com> forwarded: > >I am doing a science fair project and i need to know what level of Ph > collards > >need.Could you please send me this info if you know? B. The rule is that single cell animals need level A, plants need level B, animals need level C and humans aspire to level D. Oh, if you are talking about pH, well, that's a whole 'nother ball of wax. You're welcome. Liz