Dwellberry seed

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

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

It has a Grand Exchange buy limit of 600 every four hours, a high alchemy value of 15 gp, and item ID 5103.

View on OSRS Wiki

Dwellberry Seed shows an active flip setup with a margin of +26 gp and 22,340 trades over the last 24 hours.

At the buy limit of 600 every four hours, max profit per cycle is about 15.6k gp — high margin with healthy liquidity.