Gielinor's Ledger
Hammerstone seed

Hammerstone seed

A Hammerstone hop seed - plant in a hops patch.

MembersBuy limit 2,000Skilling ResourcesStackable
Insta-buy

9gp

Insta-sell

8gp

Spread

1gp

12.50%
Margin

+1gp

+12.50% ROI
Volume

—

Trend

—

Price history

1 points · hover for detail

Insta-buy (high)Insta-sell (low)Spread

Volume · units traded

30D low
8
30D high
9
Volatility
11.8%

Flip calculator

Includes the 2% Grand Exchange tax

gp
gp
units
Net profitProfitable

+1gp

+1 per item · +12.50% ROI

Capital required
8 gp
Gross revenue
9 gp
GE tax (2%, 0/item)
− 0 gp
Break-even sell
8 gp

Item data

High alchemy
1 gp88.9% below market
Low alchemy
1 gp
Shop value
2 gp
Weight
0 kg
Skill / type
Farming
Stack / note
Stackable · not noteable
Released
Jun 6, 2005

About Hammerstone seed

The Hammerstone seed is a members-only skilling resource in Old School RuneScape.

"A Hammerstone hop seed - plant in a hops patch"

Over the last 30 days it traded between 5 and 11 gp on the Grand Exchange, averaging 8 gp. About 491,928 units changed hands per day. The price is up 22.2% across that window. The Grand Exchange buy limit is 2,000 every 4 hours.

Casting High Level Alchemy returns 1 gp, which is 87.5% below the 30-day average price, so alching a bought one loses money.

How to get Hammerstone seed

22 monsters drop Hammerstone seed, most commonly Seed Stall (120/1,000), Martin the Master Gardener (1/18) and Master Farmer (1/18). Only Draynor Seed Market and Amelia's Seed Shop sell it.

Dropped by

MonsterRarityQuantity
Seed Stall120/1,0001
Martin the Master Gardener1/181–9
Master Farmer1/181–9
Seed pack2/606–8
Mammoth20/6404
Head Guard1/1073
Sergeant (Shayzien)1/1073
Cockathrice1/1143
Obor1/1433
Black Knight Titan1/1543
Tortoise1/1823
Giant rockslug1/2203
Cyclops (Ardougne Zoo)1/2323
Grimy Lizard1/5673
Vyrewatch1/1,8193
Sulphur Lizard1/2,0793
Skeleton (Lucien's camp)1/2,8583
Skeleton (Shayzien Crypts)1/2,8583
Zombie (Shayzien Crypts)1/2,8583
Moonlight Cockatrice1/3,0563

2 further monsters drop it less commonly.

Sold in shops

ShopPriceStock
Draynor Seed Market2 gp20
Amelia's Seed Shop2 gp20

Hammerstone seed price history

Daily averages rolled up per month, newest first.

Monthly average, low and high price of Hammerstone seed on the Grand Exchange
MonthAverageLowHighVolume
October 202612d75117,434,389
September 2026841011,633,335
August 2026961312,124,773
July 2026851114,315,576
June 202621d86106,487,195
May 20262d639512,364
April 20261d444146,371
March 20264373,592,503
February 2026639319,581
January 202632417,856

Across 10 months of recorded prices Hammerstone seed ranged from 2 gp in January 2026 to 13 gp in August 2026, measured over 218 trading days.

The 30-day average of 8 gp sits around the middle of that range.

All prices in gp. Volume counts units traded across both sides of the Grand Exchange.