Fadeleaf

Fadeleaf is a herb that can be gathered with Herbalism (150).

Fadeleaf had pea-colored vines that grow near it. They're poisonous but not deadly and will get a person sick if they come into contact with it.

Source
Fadeleaf can be found almost exclusively under bushes and around other plants. Look for it in Arathi Highlands, Stranglethorn Vale, Swamp of Sorrows or Dustwallow Marsh. Dustwallow Marsh usually yields the highest amount of Fadeleaf, with Stranglethorn Vale and Arathi Highlands yielding decent amounts depending on players in the region.

Pickable Zones

 * Stranglethorn Vale	20.7%
 * Arathi Highlands	17.8%
 * Swamp of Sorrows	14.8%
 * Scarlet Monastery	10.4%
 * The Hinterlands	10.1%
 * Badlands	8.9%
 * Alterac Mountains	8.6%
 * Dustwallow Marsh	6.0%
 * Razorfen Kraul	2.8%

Alchemy

 * Catseye Elixir
 * Elixir of Detect Lesser Invisibility
 * Lesser Invisibility Potion

Inscription

 * Emerald Pigment
 * Indigo Pigment