Petal Isles is the tropical hub world of Super Mario Bros. Wonder, connecting all six numbered worlds and hiding its own 34 Wonder Seeds across shops, badge challenges, Wiggler races, and Bowser's final gauntlet. This guide covers all 34 regular Wonder Seeds plus the Royal Seed from The Final Battle! Bowser's Rage Stage, course by course, from our own gameplay footage plus credited YouTube clips where needed.
Quick Overview
| Game | Super Mario Bros. Wonder |
|---|---|
| Area / Level | Petal Isles |
| Total | 34 Wonder Seeds |
| Best Route | 22 level, shop and house sections. The Final Battle awards a Royal Seed, not a regular Wonder Seed. |
Wonder Seed Locations
Angler Poplin's House
- ✓Seed #1 · House Reward
Receive the Seed from Angler Poplin
- Enter Angler Poplin's House from the opening Petal Isles overworld route.
- Talk to Angler Poplin beside the treasure chest inside the house.
- Take the Wonder Seed he gives you before moving on to the first Petal Isles courses.
Leaping Smackerel
- ✓Seed #2 · Wonder Effect
- ✓Seed #3 · Course Clear
Clear the Leaping Smackerel Wonder Effect
- Enter Leaping Smackerel and follow the underwater route until you reach the Wonder Flower.
- Touch the Wonder Flower to start the huge Leaping Smackerel sequence.
- Ride the Wonder Effect route to the end and collect the Wonder Seed when the effect resolves.
Reach the Leaping Smackerel Goal Pole
Reach the goal pole to earn the second Leaping Smackerel Wonder Seed.
Robbird Cove
- ✓Seed #4 · Wonder Effect
- ✓Seed #5 · Course Clear
Complete the Robbird Cove Wonder Effect
- Enter Robbird Cove and work through the cave until the Wonder Flower route opens.
- Follow the Robbird cave path, using the moving platforms and water sections to keep climbing.
- Collect the Wonder Seed at the end of the Wonder Effect route.
Reach the Robbird Cove Goal Pole
Hit the goal pole to receive the course-clear Wonder Seed.
Poplin Shop – Early Petal Isles
- ✓Seed #6 · Shop Seed
Poplin Shop – Early Petal Isles Shop Seed Placeholder
- Find the Poplin Shop island a short hop over the bridges from Angler Poplin's House, near the start of Petal Isles.
- Talk to the shopkeeper Poplin and open the item shelf; a Wonder Seed is one of the items for sale.
- Spend the asking price in Flower Coins to buy the Wonder Seed and add it to your total.
Blewbird Roost
- ✓Seed #7 · Wonder Effect
- ✓Seed #8 · Course Clear
Blewbird Roost Wonder Effect Placeholder
- Enter Blewbird Roost and push through the wind gusts the roosting Blewbirds keep kicking up.
- Reach the glowing Wonder Flower partway through the course and touch it.
- Ride the giant rainbow bubble that appears, floating through the course to collect the Wonder Seed.
Blewbird Roost Course Clear Placeholder
Jump onto the Goal Pole to clear the course and receive the Wonder Seed.
Badge Challenge Dolphin Kick I
- ✓Seed #9 · Badge Challenge
Badge Challenge Dolphin Kick I Badge Challenge Placeholder
- Equip the Dolphin Kick badge from the badge menu before entering this challenge.
- Use the Dolphin Kick badge underwater to swim fast enough to beat the timer.
- Reach the Goal Pole before time runs out to earn the Wonder Seed.
Badge Challenge Dolphin Kick II
- ✓Seed #10 · Badge Challenge
Badge Challenge Dolphin Kick II Badge Challenge Placeholder
- Equip the Dolphin Kick badge again for this tougher underwater gauntlet.
- Weave through the tighter obstacles while kicking at top speed to stay ahead of the clock.
- Reach the Goal Pole within the time limit to collect the Wonder Seed.
Downpour Uproar
- ✓Seed #11 · Wonder Effect
- ✓Seed #12 · Course Clear
Downpour Uproar Wonder Effect Placeholder
- Push through Downpour Uproar's heavy rainstorm to the Wonder Flower partway through the level.
- Touch the Wonder Flower to trigger the Wonder Effect and ride out the transformation it causes.
- Collect the Wonder Seed that appears once the effect ends.
Downpour Uproar Course Clear Placeholder
Reach the Goal Pole to clear the course and earn the Wonder Seed.
Jewel-Block Cave
- ✓Seed #13 · Wonder Effect
- ✓Seed #14 · Course Clear
Jewel-Block Cave Wonder Effect Placeholder
- Head into Jewel-Block Cave and break through the crystalline jewel blocks toward the Wonder Flower.
- Touch the Wonder Flower to trigger the effect, shattering nearby jewel blocks into coins and gems.
- Collect the Wonder Seed that appears once the effect finishes.
Jewel-Block Cave Course Clear Placeholder
Reach the Goal Pole to clear Jewel-Block Cave and earn the Wonder Seed.
Wiggler Race Swimming!
- ✓Seed #15 · Wiggler Race
Wiggler Race Swimming! Wiggler Race Placeholder
- Enter the Wiggler Race and dive underwater at the start alongside your Wiggler racing partner.
- Swim as fast as you can through the course, staying ahead of the Wiggler.
- Beat the Wiggler to the finish to win the race and earn the Wonder Seed.
Gnawsher Lair
- ✓Seed #16 · Wonder Effect
- ✓Seed #17 · Course Clear
Gnawsher Lair Wonder Effect Placeholder
- Make your way through Gnawsher Lair's tunnels, avoiding the gnawing enemies along the walls.
- Reach the Wonder Flower and touch it to send a wave of flying Gnawshers streaking past.
- Ride out the effect and grab the Wonder Seed once it ends.
Gnawsher Lair Course Clear Placeholder
Reach the Goal Pole to clear Gnawsher Lair and collect the Wonder Seed.
Maw-Maw Mouthful
- ✓Seed #18 · Wonder Effect
- ✓Seed #19 · Course Clear
Maw-Maw Mouthful Wonder Effect Placeholder
- Sneak through Maw-Maw Mouthful without waking the giant sleeping Maw-Maws in the background.
- Reach the Wonder Flower and touch it to trigger the Wonder Effect.
- Survive the resulting chaos and collect the Wonder Seed.
Maw-Maw Mouthful Course Clear Placeholder
Reach the Goal Pole to clear Maw-Maw Mouthful and earn the Wonder Seed.
Muncher Fields
- ✓Seed #20 · Wonder Effect
- ✓Seed #21 · Course Clear
Muncher Fields Wonder Effect Placeholder
- Fight through the rows of Munchers lining Muncher Fields in the pouring rain.
- Touch the Wonder Flower to trigger the effect, turning the whole course into a stark silhouette.
- Navigate the silhouette section carefully and collect the Wonder Seed at the end of the effect.
Muncher Fields Course Clear Placeholder
Reach the Goal Pole to clear the course and collect the Wonder Seed.
Badge Challenge Boosting Spin Jump I
- ✓Seed #22 · Badge Challenge
Badge Challenge Boosting Spin Jump I Badge Challenge Placeholder
- Equip the Boosting Spin Jump badge before starting this challenge course.
- Chain spin jumps together to boost across the gaps and obstacles.
- Reach the Goal Pole using the badge's boost to earn the Wonder Seed.
Petal Isles Flying Battleship
- ✓Seed #23 · Battleship Clear
Petal Isles Flying Battleship Battleship Clear Placeholder
Reach the Goal Pole to clear the Flying Battleship and collect the Wonder Seed.
Poplin Shop – Late Petal Isles
- ○Seed #24 · Shop Seed (pending)
Buy the Wonder Seed at the Late Poplin Shop
We haven't verified footage for this shop visit yet – the route below is accurate but the screenshot is still pending. Check back soon.
- Find the second Poplin Shop on the east side of Petal Isles, on the path leading to the Sunbaked Desert (World 4) entrance.
- Talk to the shopkeeper Poplin and open the item shelf.
- Buy the Wonder Seed on sale to add it to your total.
KO Arena Petal Meddle
- ✓Seed #25 · KO Arena
KO Arena Petal Meddle KO Arena Placeholder
- Enter the KO Arena Petal Meddle challenge and take on the wave of enemies inside the ring.
- Knock every enemy out of the arena before time runs out.
- Clear the arena to earn the Wonder Seed.
Wiggler Race Spelunking!
- ✓Seed #26 · Wiggler Race
Wiggler Race Spelunking! Wiggler Race Placeholder
- Start the second Wiggler Race, this time through an underground spelunking cave route.
- Race your Wiggler partner through the twisting cave passages.
- Beat the Wiggler to the finish to win the race and collect the Wonder Seed.
Missile Meg Mayhem
- ✓Seed #27 · Wonder Effect
- ✓Seed #28 · Course Clear
Missile Meg Mayhem Wonder Effect Placeholder
- Enter Missile Meg Mayhem and hop onto the launching Missile Megs as they rocket past.
- Touch the Wonder Flower to send a whole squadron of Missile Megs trailing rainbow-colored smoke.
- Ride the Missile Megs through the effect and collect the Wonder Seed at the end.
Missile Meg Mayhem Course Clear Placeholder
Reach the Goal Pole to clear Missile Meg Mayhem and earn the Wonder Seed.
High-Voltage Gauntlet
- ✓Seed #29 · Wonder Effect
- ✓Seed #30 · Course Clear
High-Voltage Gauntlet Wonder Effect Placeholder
- Make your way through the High-Voltage Gauntlet's electrified corridors, timing your moves around the crackling wires.
- Touch the Wonder Flower to trigger the effect and follow the surge of electricity through the course.
- Survive the jolt and collect the Wonder Seed once the effect ends.
High-Voltage Gauntlet Course Clear Placeholder
Reach the Goal Pole to clear the High-Voltage Gauntlet and earn the Wonder Seed.
Evade the Seeker Bullet Bills!
- ✓Seed #31 · Wonder Effect
- ✓Seed #32 · Course Clear
Evade the Seeker Bullet Bills! Wonder Effect Placeholder
- Enter the course and keep moving to dodge the homing Seeker Bullet Bills chasing you.
- Use Elephant Mario or a well-timed jump to slip past the wall of Bullet Bill launchers.
- Keep moving toward the Goal Pole while the Bullet Bills swarm behind you.
Evade the Seeker Bullet Bills! Course Clear Placeholder
Reach the Goal Pole to clear the course and earn the Wonder Seed.
KnuckleFest Bowser's Blazing Beats
- ✓Seed #33 · Wonder Effect
- ✓Seed #34 · Course Clear
KnuckleFest Bowser's Blazing Beats Wonder Effect Placeholder
- Push through KnuckleFest's rhythm-themed obstacles and fist-shaped hazards, timing jumps to the beat of Bowser's music.
- Touch the Wonder Flower to trigger the Wonder Effect and ride out the musical sequence.
- Collect the Wonder Seed once the effect finishes.
KnuckleFest Bowser's Blazing Beats Course Clear Placeholder
Reach the Goal Pole to clear KnuckleFest Bowser's Blazing Beats and earn the Wonder Seed.
The Final Battle! Bowser's Rage Stage (Royal Seed)
- ✓Seed #35 · Royal Seed
Defeat Bowser to Win the Royal Seed
- Clear all four Bowser's Rage Stage gauntlet courses – Missile Meg Mayhem, the High-Voltage Gauntlet, Evade the Seeker Bullet Bills, and KnuckleFest Bowser's Blazing Beats – to reach The Final Battle.
- Defeat Bowser in the climactic battle atop Castle Bowser to complete Petal Isles.
- Receive the Royal Seed as your reward, separate from the 34 regular Wonder Seeds.
Sources and Image Credits
Petal Isles totals and level reward counts were checked against Super Mario Wiki. Most screenshots are captured from our own Super Mario Bros. Wonder footage. Wonder Seed #13 (“Jewel-Block Cave Wonder Effect Placeholder”) uses footage from Sipka Csaba on YouTube, used with credit. Wonder Seed #14 (“Jewel-Block Cave Course Clear Placeholder”) uses footage from Sipka Csaba on YouTube, used with credit. Wonder Seed #16 (“Gnawsher Lair Wonder Effect Placeholder”) uses footage from Sipka Csaba on YouTube, used with credit. Wonder Seed #17 (“Gnawsher Lair Course Clear Placeholder”) uses footage from Sipka Csaba on YouTube, used with credit. Wonder Seed #20 (“Muncher Fields Wonder Effect Placeholder”) uses footage from Sipka Csaba on YouTube, used with credit. Wonder Seed #21 (“Muncher Fields Course Clear Placeholder”) uses footage from Sipka Csaba on YouTube, used with credit. Wonder Seed #27 (“Missile Meg Mayhem Wonder Effect Placeholder”) uses footage from Sipka Csaba on YouTube, used with credit. Wonder Seed #28 (“Missile Meg Mayhem Course Clear Placeholder”) uses footage from Sipka Csaba on YouTube, used with credit. Wonder Seed #29 (“High-Voltage Gauntlet Wonder Effect Placeholder”) uses footage from Sipka Csaba on YouTube, used with credit. Wonder Seed #30 (“High-Voltage Gauntlet Course Clear Placeholder”) uses footage from Sipka Csaba on YouTube, used with credit. Wonder Seed #31 (“Evade the Seeker Bullet Bills! Wonder Effect Placeholder”) uses footage from Sipka Csaba on YouTube, used with credit. Wonder Seed #32 (“Evade the Seeker Bullet Bills! Course Clear Placeholder”) uses footage from Sipka Csaba on YouTube, used with credit. Wonder Seed #33 (“KnuckleFest Bowser's Blazing Beats Wonder Effect Placeholder”) uses footage from Sipka Csaba on YouTube, used with credit. Wonder Seed #34 (“KnuckleFest Bowser's Blazing Beats Course Clear Placeholder”) uses footage from Sipka Csaba on YouTube, used with credit. Wonder Seed #35 (“Defeat Bowser to Win the Royal Seed”) uses footage from Sipka Csaba on YouTube, used with credit. The second Poplin Shop (Wonder Seed #24) still needs a verified screenshot and will be added once footage is confirmed. Super Mario Bros. Wonder and related visuals are property of Nintendo.
FAQ
How many Wonder Seeds are in Petal Isles?
Petal Isles has 34 regular Wonder Seeds. The Final Battle! Bowser’s Rage Stage gives a Royal Seed, which is separate from the Wonder Seed total.
Video Guides
Full video walkthroughs from our own Super Mario Bros. Wonder playthrough on The Gaming Guide Archives. One video per level is added as the guide is completed.
Who is the boss of Petal Isles?
The Petal Isles boss is the Leaping Smackerel, a giant biting fish. Dodge its lunges out of the water and stomp it three times to beat it.
Is Petal Isles the central hub of Super Mario Bros. Wonder?
Yes. Petal Isles links all the other worlds together and is where you reach the final stage, Castle Bowser.
How do I unlock the Special World?
Beat Castle Bowser to finish the main story. The Special World then opens on Petal Isles, with its courses and the three Tests.
Are there secret exits in Petal Isles?
Yes. Several Petal Isles courses hide a secret exit that awards an extra Wonder Seed.
Are the screenshots in this Petal Isles guide from your own playthrough?
Yes. Every screenshot is captured from our own Super Mario Bros. Wonder gameplay on The Gaming Guide Archives channel.