Well first of all i'm still leveling my herborism by using this little trick, so i'm not really sure how high it can get you.
I'll update this post whenever I figure it out.
It goes up to a maximum of 100 in herbalism.
Well kinda disapointed but that's still good a way to do the first 100 level in herbalism if you're leveling a gathering alt.
First of all, to do this you need to be on one of the very first quest of Mount Hyjal.
The quest is Inciting the elements and you can only start it at level 80 according to wowhead, no luck for low level alts or people that have already done the quest, sorry.
For that quest you need to pick up an item called "Juniper berries", you can right click to pick it up, but using your herbalism skill works as well!
So here's a little how to:
1) Disable autoloot.
2) Go to your profession tab and put your [Herbalism] skill in your hotbar.
3) Find a Juniper Berries, they're all over the place! Activate your herb tracking and you'll have yellow dots all over the minimap.
4) Click your [Herbalism] hotkey and and click on the Juniper Berries.
5) Close the loot window and find another bush.
Don't pick the same bushes too fast or you won't get any skillup, just make yourself a little route to "gather" different ones.
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