Splash Potion of Growth:
Recipe: Water Bottle + Nether Wart + Bone Dust + Gunpowder
Effect: Toss on crops or baby animals to cause them to grow faster. Same effect as using a single bone dust on crops or feeding a single food item to the animal.

Splash Potion of Growth II:
Recipe: Water Bottle + Nether Wart + Bone Dust + Gunpowder + Glowstone
Effect: Toss on crops or baby animals to cause them to grow faster. Same effect as using 2 bone dust on crops or feeding 2 food item to the animal.

Lingering Splash Potion of Growth:
Recipe: Water Bottle + Nether Wart + Bone Dust + Gunpowder + Dragon's Breath
Effect: Toss on crops or animals to cause them to mature instantly. Crops grow to their final maturity stage, baby animals become adults instantly.

Note: Does not work on any crop or animal that does not have an accelerated growth mechanic.