Cadantine seed

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

In-game examine text: "A cadantine seed - plant in a herb patch."

It has a Grand Exchange buy limit of 200 every four hours, a high alchemy value of 4 gp, and item ID 5301.

View on OSRS Wiki

Cadantine Seed shows an active flip setup with a margin of +283 gp and 20,913 trades over the last 24 hours.

At the buy limit of 200 every four hours, max profit per cycle is about 56.6k gp — high margin with healthy liquidity.