Dhoti mitra,
Just curious:
If you are planting it in your backyard you are obviously planting it for the 'Saag'. So, why does it matter if it is Rayo or Tori? Both of the seeds produce delicious 'Saag'.
.....unless you also have a तेल पेल्ने machine in your garage and you want to produce तेल. In that case, you will need the 'Tori' seed in particular.