Buy Grow a Garden Brontosaurus

Description

The Brontosaurus is a Mythical pet in Grow a Garden on Roblox. It came from the Dinosaur Egg during the Prehistoric Update, which started on July 5, 2025. The egg had only a 1% chance to hatch a Brontosaurus, so it is rarer than Legendary pets like the Raptor and Triceratops. The update has ended, and the Brontosaurus can no longer be found in the game.

This pet has a strong and unique ability. When placed in your garden, it gives every pet you hatch after it a 5.70% boost to hatch weight and hatch size. This bonus stacks if you have more than one Brontosaurus, up to a cap of 30% with five of them. The boost does not work on other Brontosaurus pets, but it works on every other pet species. Heavier pets do their jobs faster, so this ability helps your whole garden.

The Brontosaurus is easy to spot. It is very large, mid-brown in color, and has a long neck and a long curled tail. It moves slowly, and bigger versions of this pet grow to a huge size.