Poison ivy seed

Poison Ivy Seed is a members-only item on the OSRS Grand Exchange in the seeds category.

In-game examine text: "A poison ivy bush seed - plant in a bush patch."

It has a Grand Exchange buy limit of 200 every four hours, a high alchemy value of 99 gp, and item ID 5106.

View on OSRS Wiki

Poison Ivy Seed shows an active flip setup with a margin of +4 gp and 15,895 trades over the last 24 hours.

At the buy limit of 200 every four hours, max profit per cycle is about 800 gp — high margin with healthy liquidity.