Originally Posted By: Wolfman
One year we planted our spices in a North-South orientation. Everything else was planted East-West. Planting east-west gave us shorter, more manageable rows. My dad wanted to see if the fact that the plants were growing in each others shade would slow their growth. With herbs and spices, slower growth equals better quality. What we saw came as a surprise. The spices grew faster than ever before. Dad figured that maybe the plants were atuned to the Earth's Magnetic Field.

Plants use red light more efficiently than blue light, so here's another theory: in a north-south row orientation they receive more red light when the sun is lower in the sky.

"Time is what prevents everything from happening at once" - John Wheeler