Summary

  • Capybara: King of XP boosts, grants 3.65 XP/s & solves hunger issues.
  • Blood Owl: Divine rarity, gives 0.53 XP/s unconditionally to the team.
  • Starfish: Self-levels at 6.36 XP/s, best for unlocking pet slots.

In the evolving world of Grow A Garden, success is sometimes defined by the power of the player's pets. The right XP-boosting pets can turn slow, grindy sessions into sprints toward powerful unlocks and high-level mutations. Whether players are pushing for Level 50 to crack open the Mutation Machine, hungry for more pet Equip Slots, or simply obsessed with seeing those level bars shoot up, the pets chosen shape everything.

Unlike many games where pets are glorified accessories, Grow A Garden turns them into core progression pieces. Each pet comes loaded with its own flavor of XP magic. Some hand out global boosts to the whole garden, others laser-focus on leveling themselves, and a select few break the mold entirely by solving the hunger hurdle that halts overnight progress. Choosing the right XP-boosting companion is one of the most important decisions a player can make, so here are the best XP pets every player should consider in this Roblox game.

grow a garden roblox best pets tier list
Grow a Garden: Best Pets Tier List

Grow a Garden has added many adorable pets that give your crops some great perks; here's the list of the most to least valuable ones.

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8 Sea Turtle

An Unreliable But Helpful Early-Game Team Booster

Sea Turtle - Grow A Garden
  • XP: 1.59 XP/s
  • Rarity: Rare

The Sea Turtle is where the real team support starts. Every 10.5 minutes, this rare pet drops a hefty 1,000+ XP burst — but only to a random active pet. When averaged, that’s about 1.59 XP/second, but the catch is that no one knows which teammate will snag the bonus each cycle.

In practice, this randomness can be frustrating. While it technically helps the whole team over time, players aiming to power-level a specific pet will find themselves crossing their fingers more often than they’d like. On the plus side, the Sea Turtle sometimes gifts a “Wet” fruit mutation, doubling the fruit’s value. It's nice for a little coin, but not a game-changer for XP grinds.

7 Cooked Owl

The Low-Effort Universal Booster With A Perk

what cooked owl does in grow a garden
  • XP: 0.17 XP/s
  • Rarity: Mythical

The Cooked Owl is an exclusive Mythical pet whose value comes not from a huge XP number, but from its incredible combination of a global boost. This event-exclusive pet’s aura applies a steady XP drip to every active pet, no matter where they’re placed, which adds up quickly for teams with plenty of pets out.

The real charm of Cooked Owl is its dual-role nature. Not only does it reliably nudge every pet’s level higher with zero effort, but every 15 minutes, it also has a chance (over 15%) to cook or burn a crop, sometimes multiplying fruit value by up to 25x. So, alongside passive XP, gardeners get a healthy boost to their in-game wallet.

6 Dilophosaurus

A Random Multi-Target Pet With A Powerful Cooldown Secret

Dilophosaurus - Grow A Garden
  • XP: 0.70 XP/s
  • Rarity: Mythical

Hatched from the limited-time Primal Egg, the Dilophosaurus takes the random burst concept and elevates it with more power and versatility. Every 13–14 minutes, it targets about three random pets and either grants a chunk of XP (roughly 570+ per pet) or a reduction to their ability cooldowns.

While still stuck with random targeting, Dilophosaurus outclasses Sea Turtle by boosting several pets at once and adding cooldown cuts. These can snowball into huge value, especially with powerful, slow-acting pets like the T. Rex. The only catch is that players can’t control which pets get the benefit, which makes it tricky for focused leveling, but for broad team gains, it’s a high-impact choice.

5 Iguanodon

The Backbone of the Dinosaur Leveling Team

Iguanodon - Grow A Garden
  • XP: 0.50 XP/s
  • Rarity: Legendary

This Legendary pet from the Primal Egg is the mandatory centerpiece for a team composition built entirely around Dinosaur pets. Its ability is simple but potent: it grants all active dinosaur-type pets a constant, XP boost of 0.45 to 0.50 XP/s.

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All Grow a Garden Pet Mutations (& What They Do)

Here, Roblox players can find a list of all 15 Grow a Garden Pet Mutations, as well as what each of them does and how rare they are.

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This is a conditional global boost; in a garden without other dinosaurs, the Iguanodon does nothing. Any player serious about leveling up their valuable dinosaurs would be making a huge mistake by not including an Iguanodon. Its power is immense but highly conditional, making it a niche pet with a specific XP-boosting role.

4 Moth

The Ultimate Enabler For Long-Term Leveling

moth ability in grow a garden
  • Hunger refill: Every 13 minutes
  • Rarity: Legendary

The Moth doesn’t give a single point of direct XP. Instead, it solves the garden’s number one leveling problem: hunger. Every 13 minutes, this exclusive pet refills the hunger of a random teammate to 100%.

This simple ability is a game-changer for AFK grinders. By including a Moth on the team, a player ensures their other pets can continue gaining XP for hours on end, unlocking the full potential of their entire setup. The Moth doesn't add XP itself; however, it's a force multiplier that can lead to a tenfold or greater increase in total experience gained during an unattended session.

3 Starfish

The Fastest Ticket To Extra Pet Slots

what starfish does in grow a garden
  • XP: 6.36 XP/s
  • Rarity: Common

If there’s one pet that every high-level player needs, it’s the Starfish. This pet is the absolute best at leveling itself, and the go-to choice for unlocking new pet slots. The Starfish gains a massive 6.36 XP/s for itself, a rate that dwarfs the self-gain of any other pet. This incredible boost is self-only and creates a snowball effect, accelerating its own growth as it levels up.

Its strategic value becomes clear when considering a core progression mechanic: players unlock additional pet Equip Slots by sacrificing high-level pets. The most efficient method for unlocking slots is to fill a garden with Starfish, level them up at warp speed, and then trade them in for permanent account progression.

2 Blood Owl

The Best Unconditional Team-Wide XP Booster

Blood Owl - Grow A Garden
  • XP: 0.53 XP/s
  • Rarity: Divine

The Blood Owl is the gold standard for unconditional team XP boosts. This ultra-rare event pet hands out a flawless 0.53 XP/sec to every active pe t—no positioning, no tricks, just pure, reliable XP. In a full garden, that means several XP points per second for the whole squad.

Its only downside is its extreme rarity. Most players will chase the Blood Owl on the trading market for ages, but those who secure one can simply plug it in and watch their pets level up faster with zero micromanagement. The Blood Owl has no other perks; its design is one of pure, focused, and consistent XP enhancement.

1 Capybara

The Undisputed King and a Complete All-In-One Leveling Pet

Capybara - Grow a garden
  • XP: 3.65 XP/s
  • Rarity: Legendary

Standing at the pinnacle of the XP-boosting hierarchy is the Capybara. This Legendary pet from the Paradise Egg creates a local aura that grants all pets within its 15.65 stud range an astonishing 3.65 XP/s. But what truly cements its top spot is its secondary benefit: pets within its aura do not lose hunger.

That combination rewrites the rules. Not only does Capybara eclipse every other pet in raw XP output, it also frees up team slots (since no separate hunger manager is needed), supercharges AFK and power-leveling sessions, and enables advanced strategies like stacking multiple Capybaras around a single target for hyper-leveling.

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All Grow a Garden Primal Egg Pets (& How to Get Them)

All of the Grow a Garden Primal Egg pets have their uses, but the best ones are in a league of their own.

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