Speed Up Marrowroot Herbalism Farming
First step is to make sure you have your learned shadowlands herbalism.
-Enchant Gloves - Shadowlands Gathering You should enchant your hands to make your gathering speed faster in Shadowlands. Alternatively, you can use Darkmoon firewater, which allows you to gather faster for 1 hour. This will work in all areas and with herbalism, mining, and skinning. Just make sure to get the right one with the tooltip saying "Allows faster gathering of resources and slightly increases your size for 1 hour." Because there are 2 things called Darkmoon Firewater.
-Comfortable Rider's Barding. is a mount equipment, you can equip this will prevent you from being dazed/dismounted while farming. You can craft it yourself with leatherworking or just buy it on the auction house.
Marrowroot Route 1 – Maldraxxus
This is the best route to farm marrowroot herbs.