Rosewood seed

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

In-game examine text: "Plant this in a plantpot of soil to grow a sapling."

It has a Grand Exchange buy limit of 200 every four hours, a high alchemy value of 48 gp, and item ID 31551.

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Rosewood Seed shows an active flip setup with a margin of +4.1k gp and 1,492 trades over the last 24 hours.

At the buy limit of 200 every four hours, max profit per cycle is about 819.0k gp — high margin with healthy liquidity.