Repices

Tier 1 Items

Dirt
Lava
Rock
Cave Background
Sand
Martian Soil
Mars Rock 

Tier 2 Items

Door = Dirt + Cave Background
Grass = Dirt + Rock
Wood Block = Dirt + Lava
Glass Pane = Rock + Lava
Sign = Cave Background + Rock
Lava Rock = Lava + Cave Background
Martian Tree = Martian Soil + Mars Rock 

Tier 3 Items

Wooden Background = Grass + Door
Pointy Sign = Door + Sign
Crappy Sign = Door + Dirt
Daisy = Grass + Dirt
Wooden Platform = Wood Block + Grass
Rock Background = Rock + Door
Bricks = Rock + Grass
Rose = Grass + Lava
Super Crate Box = Dirt + Sign
Mushroom = Cave Background + Grass
Cargo Shorts = Dirt + Wood Block
Amber Glass = Dirt + Glass Pane
Happy Joy Plaque = Door + Cave Background
Torch = Sign + Lava
Wheat = Grass + Sand 

Tier 4 Items

Danger Sign = Lava + Pointy Sign
Window = Glass Pane + Wooden Background
Shallot Mustache = Mushroom + Grass
Grey Block = Bricks + Rock
Black Block = Bricks + Cave Background
White Block = Bricks + Mushroom
Red Block = Bricks + Lava
Yellow Block = Bricks + Daisy
Green Block = Bricks + Grass
Aqua Block = Bricks + Glass Pane
Brown Block = Bricks + Dirt
Poppy = Rose + Daisy
Flowery Wallpaper = Wooden Background + Daisy
Wooden Table = Wooden Platform + Wood Block
Messy Brown Hair = Crappy Sign + Grass
Mud Glob = Daisy + Dirt
Stinky Sock = Mushroom + Dirt
Tan Shirt = Rock Background + Dirt 

Tier 5 Items

Dungeon Door = Door + Window
Shades = Black Block + Glass Pane
Green Shirt = Grass + Green Block
Tuxedo = Grey Block + Rose
Brown Shoes = Cave Background + Brown Block
Boots = Rock + Black Block
Red Hair = Grass + Red Block
Jeans = Aqua Block + Rock
Wooden Window = Window + Wooden Background
Top Hat = Black Block + Mushroom
Brown Hair = Dirt + Brown Block
Black Pants = Door + Black Block
Green Skirt = Poppy + Green Block
Blonde Bombshell = Yellow Block + Grass
Toilet = Crappy Sign + Brown Block
Painting: Yerfdog = Wooden Background + White Block
Painting: Dink Duck = Yellow Block + Wooden Background
Brick Background = Bricks + Black Block
Red Riding Hood = Red Block + Mushroom
Hot Head = Lava + Red Block
Cyclopean Visor = Window + Red Block
Biker Stache = Brown Block + Grass
X-Ray Specs = Glass Pane + White Block
Gold-Rimmed Glasses = Yellow Block + Window
Death Spikes = Danger Sign + Rock Background
Orange Block = Bricks + Poppy
Bush = Poppy + Rose
Stripey Wallpaper = Green Block + Aqua Block
Referee Shirt = Black Block + White Block
Flashlight = Black Block + Yellow Block
Rooster Hat = Yellow Block + White Block
Santa Hat = Red Block + White Block
Santa Pants = Lava + Grey Block
Santa Vest = Lava + White Block
Evil Bricks = Lava + Black Block
Long Brown Hair = Wooden Table + Grass
Stone Wall = Grey Block + Rock
Lovely Pink Dress = Flowery Wallpaper + Mushroom
Glass Block = Aqua Block + Glass Pane
Sheet Music: Blank = Super Crate Box + White Block
Red Bricks = Red Block + Bricks
Pencil = Yellow Block + Wood Block
Worthless Rags = Dirt + Mud Glob
Barn Block = Super Crate Box + Red Block
Red Wood Wall = Red Block + Wooden Background 

Tier 6 Items

Baseball Cap = Bush + Wooden Platform
Portcullis = Dungeon Door + Death Spikes
Olde Timey Radio = Toilet + Dungeon Door
Spikey Hair = Death Spikes + Yellow Block
Afro = Bush + Black Block
Patent Leather Shoes = Brick Background + Grey Block
Green Blouse = Bush + Green Block
Briefcase = Brown Block + Stripey Wallpaper
Sword = Death Spikes + Rock Background
Red Coat = Red Block + Bush
Devil Horns = Lava + Death Spikes
Big Glasses = Window + Wooden Window
Blueberry = Bush + Mushroom
Burglar Mask = Cave Background + Brick Background
Froghat = Aqua Block + Bush
Wooden Chair = Wooden Platform + Toilet
House Entrance = Dungeon Door + Door
Bathtub = Toilet + White Block
White Beard = White Block + Bush
Asbestos Boots = Evil Bricks + Yellow Block
Cuzco Wall Mount = Painting: Yerfdog + Dungeon Door
Polka Dot Block = White Block + Orange Block
Checker Wallpaper = Window + Evil Bricks
Viking Helmet = Stone Wall + Pointy Sign
Pigtails = Orange Block + Daisy
Cactus = Death Spikes + Bush
Dresser = Wooden Table + Dungeon Door
Big Old Sideways Arrow = Orange Block + Pointy Sign
Sheet Music: Piano Note = Sheet Music: Blank + Green Block
Sheet Music: Drums = Sheet Music: Blank + Brown Block
Barrel = Dungeon Door + Super Crate Box
Grimstone = Grass + Stone Wall
Biohazard Sign = Danger Sign + Orange Block
Gambler's Visor = Green Block + Glass Block
Water Bucket = Toilet + Aqua Block
Barn Door = Door + Barn Block
Tomato = Red Bricks + Mud Glob
Sidewalk = Red Bricks + Grey Block
Secret Of Growtopia = Sheet Music: Blank + Secret Passage
Exclamation Sign = Barn Block + Martian Tree 

Tier 7 Items

Just One Boxing Glove = Red Block + Blueberry
Pickaxe = Portcullis + Cave Background
Brainwave Capacitor = Olde Timey Radio + Yellow Block
TV Head = Olde Timey Radio + Wood Block
Blue Block = Bricks + Blueberry
Picket Fence = Wooden Chair + White Block
Long Black Hair = Black Block + Portcullis
Bed = Wooden Chair + Mushroom
Snorkel = Bathtub + Glass Pane
Clown Nose = Tomato + Happy Joy Plaque
Clown Pants = Polka Dot Block + Happy Joy Plaque
Rubber Ducky = Bathtub + Painting: Dink Duck
Tie Dyed Shirt = Polka Dot Block + Checker Wallpaper
Sexy Boxers = Polka Dot Block + Rose
Monster Feet = Devil Horns + Green Block
Bubble Wrap = Blueberry + Glass Pane
Sandstone = Cactus + Dirt
Plumbing = Bathtub + Green Block
Big Old Down Arrow = Pointy Sign + Devil Horns
Sheet Music: Sharp Piano = Sheet Music: Piano Note + Death Spikes
Sheet Music: Flat Piano = Sheet Music: Piano Note + Rock
Secret Passage = Wood Block + Big Old Sideways Arrow
Lattice Background = Wooden Chair + Wooden Background
Tangram Block (A to L) = Checker Wallpaper + Grey Block
Baseball Bat = House Entrance + Sign
Apple = Red Bricks + Blueberry
School Desk = Orange Block + Wooden Chair
Grey Hair Bun = Olde Timey Radio + Grey Block
Zombie-Stompin' Boots = Grimstone + Death Spikes
Barky's Mask = Barrel + Painting: Yerfdog
Wrought-Iron Fence = Portcullis + Pencil
Seaweed = Bush + Water Bucket
Ancient Stone Gate = Sandstone Wall + Portcullis
Street Sign = Pointy Sign + Sidewalk
Tenement Building = House Entrance + Garbage
Gargoyle = Grimstone + Devil Horns 

Tier 8 Items

Ski Cap = Blue Block + Mushroom
Purple Block = Red Block + Blue Block
Note Block = Blue Block + Olde Timey Radio
Checkered Pajamas = Checker Wallpaper + Bed
Peg Leg = Rubber Ducky + Wooden Table
Music Box = Rubber Ducky + Olde Timey Radio
Dreamstone Block = Bed + Orange Block
Das Red Balloon = Bubble Wrap + Red Block
Blue Star Wallpaper = Blue Block + Amber Glass
Wall Like An Egyptian = Sandstone + Mud Glob
Backpack = Bed + Super Crate Box
Red Sweatpants = Big Old Down Arrow + White Block
Sheet Music: Bass Note = Sheet Music: Blank + Blue Block
Copper Plumbing = Plumbing + Orange Block
Granite Block = Sandstone + Stone Wall
Iron Bars = Plumbing + Death Spikes
Acid = Plumbing + Cactus
Antidote = Blueberry + Apple
Military Radio = Biohazard Sign + Sheet Music: Sharp Piano
Screen Door = Lattice Background = Door
Pitchfork = Wrought-Iron Fence + Crappy Sign
Sugar Cane = Seaweed + Happy Joy Plaque
Western Building = Sand + Tenement Building
Rustic Fence = Crappy Sign + Picket Fence
For Sale Sign = Street Sign + Red Block
Gem Sign = Street Sign + Yellow Block 

Tier 9 Items

Purple Thong = Purple Block + Danger Sign
Purple Bikini Top = Purple Block + Rose
Steel Block = Purple Block + Portcullis
Purple Mohawk = Picket Fence + Purple Block
Rainbow Block = Purple Block + Orange Block
Monocle = Music Box + Window
Poodle Skirt = Das Red Balloon + Dreamstone Block
Cloudstone Block = Dreamstone Block + Aqua Block
Lollipop = Purple Block + Blueberry
Table Lamp = Blue Star Wallpaper + Wooden Table
Race Start Flag = Blue Star Wallpaper + Pointy Sign
Big Old Up Arrow = Das Red Balloon + Pointy Sign
Sheet Music: Sharp Bass = Sheet Music: Bass Note + Death Spikes
Sheet Music: Flat Bass = Sheet Music: Bass Note + Rock
Marble Block = Granite Block + Dreamstone Block
Jail Door = Iron Bars + Portcullis
Toxic Waste Barrel = Acid + Barrel
Card Block = Tangram Block + Das Red Balloon
Showgirl Leggings = Blue Star Wallpaper + Lattice Background
Showgirl Headdress = Blue Star Wallpaper + Portcullis
Neon Lights = Glass Block + Purple Block
Velvet Rope = Copper Plumbing + Big Old Sideways Arrow
Western Banner = Western Building + Sign
Saloon Doors = Western Building + Door
Cutaway Building = Western Building + Tenement Building
Cash Register = Military Radio + Gargoyle
Display Box = Glass Block + Music Box 

Tier 10 Items

Boombox = Steel Block + Black Block
Jetpack = Lava + Steel Block
Robot Wants Dubstep = Note Block + Steel Block
Golden Block = Steel Block + Yellow Block
The Darkness = Steel Block + Evil Bricks
Magic Bacon Wallpaper = Rainbow Block + House Entrance
Plate Mail = Portcullis + Steel Block
Ice = Cloudstone Block + Glass Pane
Race End Flag = Race Start Flag + Checker Wallpaper
Checkpoint = Cloudstone Block + Bubble Wrap
Blue Wristband = Race Start Flag + Blueberry
Ladder = Big Old Up Arrow + Wooden Platform
Bookcase = Rainbow Block + Dresser
Red Sportsball Jersey = Big Old Up Arrow + White Block
Pinball Bumper = Blue Star Wallpaper + Steel Block
Steel Girder = Steel Block + Lattice Background
Mailbox = Steel Block + Big Old Up Arrow
Clouds = Cloudstone Block + Glass Block
Password Door = Jail Door + Steel Block
Roulette Wheel = Card Block + Cuzco Wall Mount
Farmgirl Hair = Velvet Rope + Poppy
Science Station = Toxic Waste Barrel + Military Radio
Streetlamp = Neon Lights + Plumbing
Cowboy Hat = Sand + Big Old Up Arrow
Sheriff's Vest = Jail Door + Blue Star Wallpaper
Shop Sign = Western Banner + Pastel Blue Block 

Winterfest Items

Winter Gift = Sheet Music: Flat Bass + Sheet Music: Bass Note 

Tier 11 Items

Disco Ball = Window + Boombox
Fireplace = Evil Bricks + Golden Block
Ninja Mask = The Darkness + Black Block
Ninja Tights = The Darkness + Purple Block
Ninja Vest = The Darkness + Blue Block
Ninja Slippers = The Darkness + Brown Block
High Tech Wall = Robot Wants Dubstep + Black Block
High Tech Block = Robot Wants Dubstep + Grey Block
Fishnet Stockings = The Darkness + Boombox
Art Wall = Magic Bacon Wallpaper + Rainbow Block
Venus Guytrap = Magic Bacon Wallpaper + Daisy
Air Robinsons = Race End Flag + Bubble Wrap
Baneful Mask = The Darkness + Plumbing
Fishbowl = Ice + Wooden Window
GrowBeats Headphones = Boombox + Note Block
Pinball Sproinger = Pinball Bumper + Mushroom
Treasure Chest = Golden Block + Dresser
Golden Sword = Golden Block + Picket Fence
Elvish Longbow = Ladder + Big Old Sideways Arrow
Blackrock Wall = The Darkness + Lava Rock
Cybernetic Arm = Steel Girder + Boombox
Traffic Barricade = Table Lamp + Ladder
Flipping Coin = Golden Block + Sheet Music: Drums
Showgirl Top = Blue Star Wallpaper + Ice
Chicken = Rubber Ducky + Clouds
Blue Mailbox = Mailbox + Blue Block
Fire Escape = Steel Girder + Ladder 

Colored Wallpapers

Red Wallpaper = Red Block + Magic Bacon Wallpaper
Orange Wallpaper = Orange Block + Magic Bacon Wallpaper
Yellow Wallpaper = Yellow Block + Magic Bacon Wallpaper
Green Wallpaper = Green Block + Magic Bacon Wallpaper
Aqua Wallpaper = Aqua Block + Magic Bacon Wallpaper
Blue Wallpaper = Blue Block + Magic Bacon Wallpaper
Purple Wallpaper = Purple Block + Magic Bacon Wallpaper
Grey Wallpaper = Grey Block + Magic Bacon Wallpaper
White Wallpaper = White Block + Magic Bacon Wallpaper
Black Wallpaper = Black Block + Magic Bacon Wallpaper 

Wizard Hats

Wizard Hat = Bookcase + Dreamstone Block 

Wizard Hat trees can bear any of the five hats listed below:

Wizard Hat
Witch Hat
Funk Wizard Hat
Cursed Wizard Hat
Merlin Hat 

Winterfest Items

Snowy Rocks = Ice + Rock 

Tier 12 Items

Ruby Slippers = Red Block + Disco Ball
Mystery Block = Steel Block + Disco Ball
Golden Halo = Yellow Block + Disco Ball
Fairy Crown = Grass + Disco Ball
Fairy Dress = Aqua Block + Disco Ball
Fairy Skirt = Daisy + Disco Ball
Fairy Slippers = Poppy + Disco Ball
Fairy Wings = Flowery Wallpaper + Disco Ball
Fairy Wand = Wood Block + Disco Ball
Sack O' Joy = Note Block + Disco Ball
Saturday Night Vest = Golden Block + Disco Ball
White Bellbottoms = White Block + Disco Ball
Rainbow Wig = Rainbow Block + Fireplace
Cannon = Fireplace + Black Block
Chandelier = Fireplace + Golden Block
Stove = Lava Rock + High Tech Block
Time-Space Rupture = High Tech Wall + House Entrance
Space Helmet = Fishbowl + Checkpoint
Orange Portal = High Tech Wall + Orange Block
Blue Portal = High Tech Block + Blue Block
Dragon Gate = Venus Guytrap + Portcullis
Wizard's Robe = Purple Wallpaper + Happy Joy Plaque
Chalkboard = Grey Wallpaper + Painting: Yerfdog
Crimson Eagle Wings = Red Wallpaper + Blue Wallpaper
Skeleton = Grey Wallpaper + Ice
Hammer Pants = Purple Wallpaper + Tangram Block (any)
Combat Vest = Green Wallpaper + Aqua Wallpaper
Dice Block = Art Wall + Grey Block
Slot Machine = Roulette Wheel + Yellow Wallpaper
Zeta Reticulant Mask = Military Radio + Grey Wallpaper
Refrigerator = Ice + Treasure Chest
Sproingy Eyes = Apple + Pinball Sproinger
Overalls = Barrel + Blue Wallpaper
Achievement Block = Art Wall + Wood Block
War Paint = Tomato + Fire Escape
Fire Hydrant = Red Wallpaper + Water Bucket
Gothic Building = Orange Wallpaper + Blackrock Wall
Campfire = Fireplace + Cactus
Surgical Tool = High Tech Wall + Biohazard Sign
Open Sign = Street Sign + White Wallpaper 

Tier 13 Items

Pirate Hat = Cannon + Mushroom
Eyepatch = Cannon + Cuzco Wall Mount
Hoop Earrings = Golden Halo + Poppy
Blueberry Pie = Stove + Blueberry
Chef Hat = Stove + Mushroom
Apron = Stove + Checker Wallpaper
Spatula = Stove + Picket Fence
Cigar = Time-Space Rupture + Lava Rock
TommyGun = Time-Space Rupture + Death Spikes
Pinstripe Pants = Time-Space Rupture + Stripey Wallpaper
Pinstripe Suit = Time-Space Rupture + Rose
Fedora = Time-Space Rupture + Black Block
Dame's Fedora = Time-Space Rupture + Poppy
Blue Headband = Golden Halo + Race Start Flag
Victrola = Time-Space Rupture + Olde Timey Radio
Art Deco Block = Time-Space Rupture + Grey Block
Flapper Dress = Time-Space Rupture + Lava
Flapper Headband = Time-Space Rupture + Daisy
Bulletin Board = Lattice Background + Chalkboard
Headsman's Axe = Pencil + Dragon Gate
Tombstone = Skeleton + Granite Block
Ripper Wings = Chandelier + Devil Horns
Flaming Skull Mask = Skeleton + Torch
Cow = Refrigerator + Brown Block
Laboratory = Refrigerator + Biohazard Sign
Parasol = Clouds + Fire Hydrant
Straw Hat = Wheat + Golden Halo
Tramsmog Crystal = Achievement Block + Purple Block
Mannequin = Skeleton + Barrel 

Winterfest Items

Yeonnalligi = Blue Portal + Orange Portal
Holiday Gift Box = Slot Machine + Treasure Chest 

Tier 14 Items

Tavern Sign = Art Deco Block + Sign
Scoreboard = Table Lamp + Bulletin Board
Rocket Thruster = E-Z Cook Oven + Big Old Up Arrow
Cow Cube = Cow + Barn Block 

Tier 15 Items

Whatchamacallit = Laboratory + Compu Panel
Ice Cube = Cow Cube + Ice 

Tier 16 Items

Frozen DNA Fragment A = Cuzco Wall Mount + Ice Cube
Frozen DNA Fragment B = Buffalo + Ice Cube 

Tier 17 Items

Mini Mammoth Leash = Frozen DNA Fragment A + Frozen DNA Fragment B 

Other Craftables

Swiss Cheese Block = Pastel Yellow Block + Bubble Wrap
Stinky Bucket = Swiss Cheese Block + Barrel
Palm Tree = Pastel Green Block + Wall Like An Egyptian
Diamond Ring = Golden Block + Crystal Block
Ruby Block = Dreamstone Block + Crystal Block
Emerald Block = Acid + Crystal Block 

Growsabers

The recipe Crystal Block + Neon Lights can output any of the following:

Red Growsaber
Black Growsaber
Green Growsaber
Blue Growsaber
Flamesaber
Double Growsaber 

Uncraftable Items

Main Door
Bedrock
Toxic Waste
Growtopia Lunchbox
Iron Mask
g-Virus
Sawed-Off Shotgun
Rabbit's Foot
Garbage
Dear John Tractor
Death Ray
Sandstone Wall 

Chemicals

Chemical P
Chemical Y
Chemical B
Chemical G
Chemical R 

Branches

Combover = 10 Chemical Y + 5 Chemical R + 5 Chemical G
Steel Table = 10 Chemical G + 5 Chemical B + 5 Chemical Y
Shokinator = 10 Chemical G + 5 Chemical R + 1 Chemical P
Slime = 15 Chemical G + 2 Chemical P + 4 Chemical B 

Shop Items
Locks And Stuff

Small Lock = 50 Gems
Big Lock = 200 Gems
Huge Lock = 500 Gems
World Lock = 2,000 Gems
Signal Jammer = 2000 Gems
Zombie Jammer = 15,000 Gems
Punch Jammer = 15,000 Gems
Grow Spray Fertilizer*5 = 200 Gems 

Item Packs

Door & Sign Hello Pack = 15 Gems
Basic Splicing Kit = 200 Gems
Small Seed Pack = 50 Gems
Rare Seed Pack = 500 Gems
Clothes Pack = 50 Gems
Rare Clothes Pack = 500 Gems
Gangland Style = 5,000 Gems
Racing Action Pack = 5,000 Gems
Composer's Pack = 5,000 Gems
Education Pack = 5,000 Gems
Fantasy Pack = 5,000 Gems
Dungeon Pack = 10,000 Gems
Zombie Defense Pack = 10,000 Gems
Vegas Pack = 5,000 Gems
Farm Pack = 15,000 Gems
Mad Science Kit = 5,000 Gems
City Pack = 5,000 Gems
Wild West Pack = 8,000 Gems
Astro Pack = 5,000 Gems
Surgical Kit = 8,000 Gems 

Awesome Items

Turtle Hat = 25,000 Gems
Tiny Horsie = 25,000 Gems
Pleiadian Star Ship = 25,000 Gems
Dragon Hand = 50,000 Gems
Little Red Corvette = 25,000 Gems
Stick Horse = 25,000 Gems
Ambulance = 25,000 Gems 

Weather Machines

Weather Machine - Sunny = 1,000 Gems
Weather Machine - Night = 10,000 Gems
Weather Machine - Arid = 10,000 Gems
Weather Machine - Rainy City = 10,000 Gems 

Limited/Event Items

Freeze Wand
Fire Wand
Curse Wand
Rollback Plaque
Crystal Block
Ultra Trophy 3000 

2013 Valentine's Week Items

Heartstone
Heartstone Block
Valentine
Candy Heart
Perfume
Angel Wings
Heart Bow
Diaper 

2013 St. Patrick's Week Items

Lucky Clover
Orange Beard
Leprechaun Hat
Green Pants
Leprechaun Suit
Leprechaun Shoes
Green Beer
Pot O' Gold 

2013 Easter Week Items

Magic Egg
Bunny Ears = Magic Egg + Polka Dot Block
Bunny Mask = Magic Egg + Flowery Wallpaper
Bunny Tail = Magic Egg + Bush
Wicker Basket = Magic Egg + Lattice Background
Pastel Suit = Magic Egg + Painting: Dink Duck
Pastel Pants = Magic Egg + Daisy
Hippie Sandals = Magic Egg + Wall Like An Egyptian
Rotten Egg = Magic Egg + Evil Bricks
Cuddly Bunny/Psychotic Bunny = Magic Egg + Fishbowl 

Pastel Blocks

Pastel Pink Block (rarity 5) = Magic Egg + Red Block
Pastel Orange Block (rarity 10) = Magic Egg + Orange Block
Pastel Yellow Block (rarity 7)= Magic Egg + Yellow Block
Pastel Green Block (rarity 6) = Magic Egg + Green Block
Pastel Aqua Block (rarity 6) = Magic Egg + Aqua Block
Pastel Blue Block (rarity 16) = Magic Egg + Blue Block
Pastel Purple Block (rarity 20) = Magic Egg + Purple Block 

Branches

Swiss Cheese Block = Pastel Yellow Block + Bubble Wrap
Stinky Bucket = Swiss Cheese Block + Barrel
Palm Tree = Pastel Green Block + Wall Like An Egyptian
E-Z Cook Oven = Pastel Pink Block + Stove
Face Bandana = Polka Dot Block + Pastel Blue Block
Kansas Curls = Rubber Ducky + Pastel Yellow Block
Corset = Pinball Sproinger + Pastel Aqua Block 

2013 Cinco De Mayo Week Items

Ultra Pinata
Pinata Whistle = 1,000 Gems
Pinata
Adobe Block
Sombrero
Olmec Head
Habanero Pepper
Fiesta Sombrero
Hibiscus Hair
Flamenco Dress
Desperado Mustache
Poncho 

2013 SummerFest Items

Beach Blast
Fireworks
Beach Umbrella
Men's Swimsuit
Woman's Swimsuit
Swim Fins
Hula Bobblehead
Ocean Rock 

2013 Harvest Festival Items

Prosperity Mooncake Obtained from trees during the Harvest Festival
Peace Mooncake Obtained from trees during the Harvest Festival
Longevity Mooncake Obtained from trees during the Harvest Festival
Harmony Mooncake Obtained from trees during the Harvest Festival
Songpyeon Obtained from trees during the Harvest Festival (Very Rare)
Ultra Growspray = 20 Prosperity Mooncake + 20 Longevity Mooncake + 20 Songpyeon (In Oven or Lab)
Moon Mask = 4 Longevity Mooncake + 4 Prosperity Mooncake + 4 Harmony Mooncake (In Oven or Lab)
Hand Scythe = 3 Harmony Mooncake + 3 Longevity Mooncake + 3 Songpyeon (In Oven or Lab)
Harvest Festival Clothes (Gives random article) = 3 Prosperity Mooncake + 3 Longevity Mooncake + 3 Peace Mooncake (In Oven or Lab)
Scarecrow = 5 Harmony Mooncake + 5 Longevity Mooncake + 5 Peace Mooncake (In Oven or Lab)
Sky Lantern = 2 Harmony Mooncake + 2 Prosperity Mooncake + 2 Peace Mooncake (In Oven or Lab)
Chinese Lantern = 1 Songpyeon + 1 Peace Mooncake + 1 Prosperity Mooncake (In Oven or Lab) 

2013 Halloween Items

Cultist Robe
Cultist Hood
Lock of Black Fur
Black Cat Leash
Devil Wing Fragment
Devil Wings
Slick Black Hair
Vampire Fangs
Vampire Cape
Vamp Vest
Creepy Hair
Frankenhair
Sonar Bracelet
Skeletal Horsie
Wolfman Mask
Skull Mask
Mummy Mask
Evil Eye
Creepstone Platform
Jack O' Lantern
Jack O' Block
Lit Jack O' Block
Pumpkin Block
Haunted House
Weather Machine - Spooky
Candy Corn
Boney Block
Cobweb 

2013 WinterFest Items

Winter Gift
Tangyuan
Snowball
Candy Cane Block
Candy Cane Fence
Festivus Pole
Giant Candle
Snowy Rocks
Holiday Gift Box
Elf Hat
Antler Hat
Glowing Nose
Buckskin Hood
Buckskin Jacket
Buckskin Pants
Yeonnalligi
Polar Bear Leash
Ice Dragon Hand
Snowy Weather Machine 

One Year Annivesary's Week Items

Skyrocket Obtained from trees during the One Year Anniversary Week
Door mover
Thermonuclear Blast
Party Hat
Party Horn
Party Glasses
Party Vest
Party Pants
Party Shoes
Mini Growtopian 

Exclusive Items
Player Exclusive

Phonecats Hat 

Moderator Exclusive

Duct Tape
Curse Wand
Freeze Wand
Fire Wand
Ban Wand
Meow Ears
Play Wings
Lokster Hair
Jens Beard
Solorien On Fire
Seil Orbs
Tony26 Suit 

Developer Exclusive

Heroman Cape
Dr. Destructo Death Ray 

Discontinued

Nyan Hat
Taco Dog
Source=Wiki recipe