Pumpkins O'Plenty is a simple mod that currently adds 7 new pumpkins with more to follow in upcoming updates!
Currently the mod adds:
Short Pumpkins for each pumpkin including the normal minecraft pumpkin. (slabs)
Blue Pumpkin and Jack o'Lantern
Pale Pumpkin and Jack o'Lantern
White Pumpkin and Jack o'Lantern
Starcinium Pumpkin and Jack o'Lantern
Golden Pumpkin and Jack o'Lantern
Dark Pumpkin and Jack o'Lantern
Pumpkin o'Slime (familiar?)
Golden Pumpkin Seeds and Golden Pumpkin Pie
As of version 1.4 the pumpkins are obtained by finding them in certain biomes or getting them from chests:
Blue can be found in Mushroom Fields biomes
White can be found in Old Growth Birch Forests
Pale can be found in Dark Forests (either white or pale will be found in the Pale Garden when ported to 1.21.3+)
Dark Pumpkins can be found as ominous trial loot
Golden Pumpkins can be found in Mansion chests
Starcinium Pumpkin is crafted by Golden Pumpkin and purple dye
Plans (listed in order of importance):
Special Overlays for the pumpkins (1.21.3+)
Snow golems using the heads of the pumpkins (1.21.1+)