Seaweed spore

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Seaweed spore trades around 172 gp now, +14.5% this week, 7-day range 108–375.

Lowlast instant sell

125

Highlast instant buy

219

Flippers place a buy offer near the low and sell near the high.

Flip margin: +90; per item, after 4 tax
Flip profit / 4h: 31,410; Buy 349 · spend 43,625 (10% vol)
Buy limit: 600; per 4 hours
Traded, 24h: 17,156; both sides
Reliability: 85%; of the last 24h, steady
High alch: 12; shop value 20

How these numbers work

Sell offer (last insta-buy)219

Buy offer (last insta-sell)− 125

GE tax, 2% capped at 5m− 4

Net margin per item+90

Breakeven sell price≥ 128

Potential profit, one 4h window

Buy limit600

10% of 4h volume349

10m bankroll ÷ buy80,000

Quantity (the lowest)× 349

Spend43,625

Potential profit31,410

All seeds →Top flips →

About Seaweed spore on the GE

“A seaweed spore - plant in a seaweed patch.”

Seaweed spore last traded at 219 gp (insta-buy) and 125 gp (insta-sell) on the Grand Exchange. After the GE tax on a sale, that leaves a margin of 90 gp per item. 17,156 were traded in the last 24 hours. It is a members' item.

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Prices assume you place offers and wait for them to fill. Insta-buying and insta-selling pays the spread twice.
Selling below the breakeven price loses money, even if it is above what you paid.
4h volume is 3,498 items (874/hr, pace over the last 2 hours). Sized to a 10m bankroll; set yours on the home page.

Last 7 days

+14.5% vs 7 days ago

Avg / day: 15,492
7d low: 108 gp
7d high: 375 gp

Hourly mid price, the average of the buy and sell prices. Volume counts both sides.

Price & volume

When it trades

Times in UTC (game time)

Bar height is trading volumecheapestpriciest

By hour of day

By weekday

Lantadyme seed191 gp

Irit seed59 gp

Seaweed spore price history

All-time high: 1,863 gp; 27 Aug 2018
All-time low: 25 gp; 8 May 2024
30 days: -11.3%
90 days: +5.8%
1 year: +69.8%

Monthly close in gp (last guide price of each month)

167Nov 25
71Dec 25
120Jan 26
208Feb 26
243Mar 26
234Apr 26
238May 26
239Jun 26
206Jul 26
231Aug 26
224Sept 26
219Oct 26

Daily GE guide prices from 9 Sept 2017 to 11 Oct 2026, from the OSRS Wiki. Data as of 11 Oct 2026.

Tax: Selling one at 219 gp costs 4 gp in tax (2% of the sale price, rounded down, capped at 5m gp). Tax-exempt items →

Seaweed spore on the OSRS Wiki ↗

Seaweed spore FAQ

How much is Seaweed spore worth?

Seaweed spore last sold for 125 gp (instant sell) and was last bought for 219 gp (instant buy) on the Grand Exchange.

What is the Seaweed spore buy limit?

You can buy 600 Seaweed spore every 4 hours. The 4 hours start from your first purchase, and only buying counts towards the limit.

Is Seaweed spore worth high alching?

High alchemy turns Seaweed spore into 12 gp. Buying one at 219 gp and casting with a nature rune at 138 gp costs 357 gp. That is a loss of 345 gp per cast at the latest prices, so it is not worth alching for profit right now.

Is Seaweed spore tax-exempt?

No. Selling one at 219 gp costs 4 gp in tax (2% of the sale price, rounded down, capped at 5m gp).

What was Seaweed spore's highest price?

The highest daily guide price on record for Seaweed spore is 1,863 gp, on 27 Aug 2018. The lowest is 25 gp, on 8 May 2024.

Related items

About Seaweed spore on the GE

Last 7 days

Seaweed spore price history

Seaweed spore FAQ