Woad seed

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

In-game examine text: "A woad seed - plant in a flower patch."

It has a Grand Exchange buy limit of 600 every four hours, a high alchemy value of 6 gp, and item ID 5099.

View on OSRS Wiki

Woad Seed shows an active flip setup with a margin of +1 gp and 33,886 trades over the last 24 hours.

At the buy limit of 600 every four hours, max profit per cycle is about 600 gp — high margin with healthy liquidity.