I have always done pointy tip down just because the taproot usually emerges near the point. Either way the taproot will come out and go down regardless of seed orientation. Germinated seeds can even be planted taproot up and they will recover.
SMOKEnCHOKE Reviewed by SMOKEnCHOKE on . seed germination should seeds be place pointy tip up or down when germinating in soil? Rating: 5