You only need one. In AZ ( lots of zone 9 regions and lots of lemon trees) , Meyer lemons are illegal. -Olin ----- Original Message -----From: <wvancamp@earthlink.net> > I'm planning my backyard garden for next year and wanted to include a lemon > tree. Does anyone know if a Meyer Lemon tree needs to be planted in a pair to > produce fruit? Thanks. :) > > I'm in Zone 9, btw. Lemon Trees grow fine here.