The Brontosaurus is one of the most elusive pets in Grow a Garden, first introduced during the Prehistoric Event on July 5th, 2025. It belongs to the Mythical tier, making it rarer than Legendary dinosaurs like the Raptor or Triceratops, and only slightly more common than the Divine T-Rex. With its unique passive ability, the Brontosaurus became one of the most desirable pets in the game during the event.
Brontosaurus Appearance
The Brontosaurus stands out among other dinosaur pets due to its iconic design:
- A long, brown neck that towers above other pets.
- A light-brown body with smooth shading.
- Brown feet that give it a grounded and sturdy appearance.
This design makes the Brontosaurus easily recognizable, and many players consider it a “status pet” due to its rarity and size.
Toy Interactions
Toys can increase the effectiveness of the Brontosaurus’s passive:
- Medium Toy → Boosts Brontosaurus’s passive by +1.05%.
- Small Toy → Boosts Brontosaurus’s passive by +0.525%.
While these numbers may look small, they can make a noticeable difference when paired with the right egg-hatching strategies.
If you missed the Prehistoric Event, the Brontosaurus is no longer directly obtainable in-game. However, many players still collect rare pets through trading. So whether you want to hatch legendary dinosaurs or buy Grow A Garden pets from other players, keep an eye out—this Mythical giant remains one of the most iconic pets in the game’s history.
Trait: Giant Incubator
The Giant Incubator is the Brontosaurus’s defining trait. It affects pets hatched from eggs by increasing their base size and weight:
- Base effect: 5.2% – 20% size/weight boost per hatch.
- Cap: The maximum increase is 30% per egg.
- Limitation: This ability does not apply to Brontosauruses themselves.
This makes the Brontosaurus a support pet rather than a combat or display pet. Its true power lies in helping you grow larger and more impressive pets from eggs.
Quick Reference Table
| Attribute | Details |
|---|---|
| Tier | Mythical |
| Obtaining Method | Dinosaur Egg, DNA Converter |
| Hatch Chance | 1% |
| Passive | Giant Incubator: Increases hatched pets’ size/weight (~5–20%, capped at 30%) |
| Hunger | 85,000 |
| Obtainable? | No (event-limited) |
| Date Added | July 5th, 2025 |
How to Get a Brontosaurus in Grow a Garden
1. Dinosaur Egg
The most common method to obtain the Brontosaurus during the event was by hatching a Dinosaur Egg, though the hatch rate was only 1%. Considering the egg also contained four Legendary pets and one Divine, your chances of getting a Brontosaurus were extremely slim.
2. DNA Converter
Players could also use the DNA Converter, a device that transformed other pets into dinosaurs depending on the DNA material provided. While this was another way to obtain a Brontosaurus, the odds remained low compared to receiving Raptors, Triceratops, or other dinos.
How to Get a Dinosaur Egg
Since the Brontosaurus could only be hatched from a Dinosaur Egg, players had to focus on farming eggs during the Prehistoric Event. There were two reliable methods:
- Trading Pets with Graham (Dinosaur Egg NPC)
- Give any pet to Graham.
- Depending on the rarity of the pet you offer, Graham would either:
- Give you a Dinosaur Egg, or
- Reward you with a dinosaur pet directly.
- The rarer the pet, the higher the chance of receiving a dinosaur instead of just an egg.
- The process took one hour and permanently consumed the pet you traded.
- Completing Dino Quests for Blaire (Prehistoric Quest NPC)
- Blaire offered special Dino Quests during the event.
- For every three quests completed, you earned:
- 1x Ancient Seed Pack
- 1x Dinosaur Egg
- 1x Dino Crate
- This was considered the most consistent way to farm Dinosaur Eggs.
What Does the Brontosaurus Do in Grow a Garden?
The Brontosaurus doesn’t fight or gather resources directly—it enhances your hatching strategy. Its Giant Incubator passive makes it one of the best support pets in the game.
- Best Pairing: Use the Brontosaurus with Ostriches, as their effects stack. Ostriches increase age upon hatching, while the Brontosaurus increases size/weight. This combination produces large, mature pets right from the start.
- Limitations: The passive doesn’t work on Brontosauruses themselves, so you can’t create an “oversized” Bronto.
Trivia & Extra Notes
- The Brontosaurus was one of only six pets available in the Dinosaur Egg.
- It has one of the highest hunger values of any Mythical pet at 85,000.
- Its unique trait is passive-oriented, which makes it less flashy in combat but extremely useful for breeding strategies.
- Because it is no longer obtainable after the event, it has become a collector’s item among veteran players.
The Brontosaurus in Grow a Garden is not only a rare Mythical pet but also one of the most strategically valuable companions for players focused on hatching and growing their collections. While it may not be obtainable anymore, those who managed to unlock it during the Prehistoric Event have a pet that remains both iconic and practically useful for egg-focused gameplay.