I make ALOT of gold, and one of my best routes are in Netherstorm.
Farming Netherbloom is quite nice, combined with the motes and other herbs.
About the route:
Time: approx 22 minutes
What i usually gather:
Netherbloom x40
Dreaming glory x20
Fel Lotus x1
Mote of Mana x5
Felweed x5
Golden Sansam x5
Depending on how many people farming, it can get ALOT higher.
My highest was around 3 stacks netherbloom, a few stacks dreaming glory and a couple of fel lotus' (in approx 20 minutes thats quite ok).
But how much pr. hour is that?
Im calculating with the approx prices on my server.
Making pots/elixirs/flask may or may not give more - depends on your servers.
Netherbloom - 30g/stack
Dreaming glory - 20g/stack
Fel Lotus - 35g
Mote of Mana - 2g each mote
Felweed - 10g/stack
Golden Sansam - 25g/stack
With that in mind, i gives roughly 250g/hour (plus/minus 150g, depending on the amount of people farming at that time).
But.. Where?!
Right here..