Watermelon seed

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

In-game examine text: "A watermelon seed - plant in an allotment."

It has a Grand Exchange buy limit of 200 every four hours, a high alchemy value of 33 gp, and item ID 5321.

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Watermelon Seed currently has a flip margin of −12 gp, which isn't profitable to flip right now despite 122,050 trades over the last 24 hours.

Items with negative or zero margins like this are better watched than actively flipped until the spread widens.