A long field of melon or pumpkin stems harvested by two flying machines that a hopper clock sends down the field and back. The drops are carried to chests at one end.
This design works in Minecraft Java 1.21+.
You need 25 kinds of materials (1,927 items, about 53 inventory slots) — see the shopping list.
Blocks on this layer tap a name to find it in the plan
What to do here in the guide's order
At the north end of the farm, build the collection: three double chests in a staircase going down, linked by hoppers (each hopper takes from the chest above and passes into the next chest). On top, a hopper under the end of a water stream: a row of packed ice one block under the stream, the stream itself (two water sources, see the plan) and a row of signs south of it that holds the water back.
At the north end, under the stream, build the starter: a hopper clock (two hoppers facing each other, two comparators, a lever) holding 5 stacks of any item – the amount sets how often the farm runs – and the sticky pistons, redstone block, observer and redstone dust that turn each clock pulse into a start signal for the flying machines.
At the north end of the farm, build the collection: three double chests in a staircase going down, linked by hoppers (each hopper takes from the chest above and passes into the next chest). On top, a hopper under the end of a water stream: a row of packed ice one block under the stream, the stream itself (two water sources, see the plan) and a row of signs south of it that holds the water back.
Smooth Stone×22
Packed Ice×14
Oak Sign×6
Chest×6
Hopper×3
Water Bucket×2On 5 layers: Y 0, Y +1, Y +2, Y +3, Y +4
South of the stream, lay the field: rows running south, alternating farmland (for the stems) and dirt (where the melons grow), 6 farmland rows and 5 dirt rows. Every 8 blocks the field has a cross row: smooth stone under the farmland rows and signs above packed ice under the dirt rows. At the end of each 8-block section, three stone stairs filled with water (waterlogged) keep the farmland wet.
Dirt12 stacks + 44×812Smooth Stone1 stack + 2×66Packed Ice×52Oak Sign3 stacks + 4×52
Stone Stairs×33
Obsidian×5On 2 layers: Y +3, Y +4
Plant melon (or pumpkin) seeds on every farmland block and put the torches in (the stems need light to grow at night). Melons and pumpkins grow onto the dirt rows next to the stems. A fully grown stem keeps producing new fruit forever.
Melon Seeds6 stacks + 45×429
Torch×12At the north end, under the stream, build the starter: a hopper clock (two hoppers facing each other, two comparators, a lever) holding 5 stacks of any item – the amount sets how often the farm runs – and the sticky pistons, redstone block, observer and redstone dust that turn each clock pulse into a start signal for the flying machines.
Stone5 stacks×320
Scaffolding×10
Sticky Piston×3Smooth Stone×2
Observer×2Obsidian×2Hopper×2
Redstone Dust×2
Redstone Comparator×2
Redstone Repeater×1
Lever×1
Oak Trapdoor×1On 10 layers: Y 0, Y +1, Y +2, Y +3, Y +4, Y +5, Y +6, Y +7, Y +8, Y +9
Under the north end of the field, build the lower flying machine: slime blocks, observers and sticky pistons facing up, exactly as in the plan. When started it travels south under the whole field and back.
On 2 layers: Y +1, Y +2
Above the north end of the field, build the upper flying machine: a row of slime blocks with five pistons hanging under them, facing down onto the dirt rows, and the observers and sticky pistons that move it. As it passes over the field, its pistons fire down and break every melon or pumpkin that has grown.
On 4 layers: Y +6, Y +7, Y +8, Y +9
At the south end of the field, build the two stations that stop each flying machine and send it back (observers, obsidian and the small redstone lines in the plan) – one at the height of the lower machine and one at the height of the upper one.
Smooth Stone×8Observer×2Obsidian×2Redstone Dust×2Redstone Repeater×2
Iron Trapdoor×2
Stone Brick Wall×2On 6 layers: Y +1, Y +2, Y +3, Y +7, Y +8, Y +9
Flip the lever off (when it is on, it pauses the clock). Every time the hopper clock pulses, both flying machines run down the field and back: the upper one breaks the grown melons, and the drops end up in the stream at the north end, which carries them to the chests. Stay within about 100 blocks so the field keeps growing.
For pumpkins, plant pumpkin seeds instead – the farm works the same way.
Your progress is saved in this browser. Log in to keep it on every device and earn 25 points for completing the farm.
Tick what you have gathered — it is remembered together with your build progress. A stack is 64 items (signs 16; buckets, beds and boats do not stack); a shulker box holds 27 stacks.
Dirt12 stacks + 44×812Melon Seeds6 stacks + 45×429Stone5 stacks×320Smooth Stone1 stack + 34×98Packed Ice1 stack + 2×66Oak Sign3 stacks + 10×58Stone Stairs33 waterlogged (pour water in)×33
Slime Block×18Observer×16Sticky Piston×12Torch×12Scaffolding×10Obsidian×9Chest×6Hopper×5
Piston×5Redstone Dust×4Redstone Repeater×3Redstone Comparator×2Iron Trapdoor×2Stone Brick Wall×2Water Bucket×2Lever×1Oak Trapdoor×1Shulkercraft built this farm in Minecraft 1.21 (his world is saved in 1.21). We tested the full length of his world – 11 sections of 8 rows, 429 stems – on 1.21.11 and 26.3: about 5,800 to 5,900 melon slices per hour, close to his 6,500+. A shorter or longer field gives proportionally less or more. We tested melons only; pumpkins grow the same way (one pumpkin per harvest instead of 3 to 7 slices).
The hopper clock decides how often the flying machines run; with 5 stacks in it they run often enough to keep up with the growth. Its lever pauses the farm when it is ON – Shulkercraft's world was saved with the lever on, so flip it off.
Stems only grow at light level 9 or more, which is what the torches are for, and only within simulation distance of a player.
~5,818 Melon Slice/h — Measured on 26.3 (Nov 3, 2026). Measured with our automated test on a local Minecraft server (fake player at the AFK spot); your rate depends on render distance, difficulty and surroundings.
Download the original The schematic / world is offered by the creator or the tutorial author — we link to the original download.
Melon and pumpkin stems never stop producing once they are fully grown: they keep growing new fruit onto the free block next to them. In this farm the stems stand in rows of farmland with a row of dirt between every two of them, so the fruit can only grow onto the dirt.
A hopper clock at the north end starts two flying machines – contraptions of slime blocks, observers and pistons that move by themselves – one above and one below the field. They travel down the whole field and back; the upper machine's pistons break every melon or pumpkin that has grown, and the drops end up in a water stream that carries them into chests.
Design by Fluffy Socks, based on a concept by 萌萌de小公举; the tutorial and the world download this page is built from are by Shulkercraft. The field is built from sections of 8 rows, so you can make it shorter or longer.
