The Piranha Plants are finished and the glass casing behind the big one has shattered, revealing a P-Switch. Step on it to make a literal path of flowers appear, so follow it to the next platform to find more platforms that give away, as well as another P-Switch. Ignore the switch and take the other path, which leads to another moving platform. Get to the top here to find a nut, so crack it to net yourself another Power Moon (Cracked Nut on a Crumbling Tower) . Peer over the edge to spot some purple coins on some falling platforms, so either quickly jump in and out to retrieve them, or simply use your hat (59) .
Return to the previous platform and hit the P-Switch to make another flower trail, leading to an entrance to some tower. Inside, take the next flower trail as it goes around the central pillar, to where you’ll find another Uproot. Backtrack a slight bit to where the first jutting platform and use your stretchy abilities to grab the three purple coins in the air (62) . Continue on up to the next P-Switch, but go into the little alcove you find, where you’ll be able to break another nut with a Power Moon (Nut Planted in the Tower) . Keep going to the top, but don’t exit through the doorway yet. On the little circular part up here, stretch your legs with an Uproot to find a Power Moon in the air (Stretching Your Legs) . Go through the exit and climb the rest of the way to face the next Broodal.
BOSS - Spewart Broodal
As per the bosses so far in Mario Odyssey, Spewart is another very simple one. He’ll start off by spinning around while spewing out that purple goo you’ve seen already from the Piranha Plants. It only reaches so far, though, so you can stick to the edges of the arena and not get hit. To damage Spewart, make a path and hit him with Cappy to knock his hat off, then jump on his head. When you do this, the boss will retreat into his hat and spin around the arena, leaving a trail of purple goo in his path.
For the second phase, he’ll do the spinning goo spew as before, but after covering the area surrounding him, Spewart will start spraying a stream of goo straight at you. Do the same thing as before to damage him, then it’ll be time to move onto the third phase. This one is the same as the second, except the circular spew will be large enough to where you can just stick to the outer edge of the arena. Hit Spewart a third time and he will be finished, netting you another Multi Moon (Flower Thieves of Sky Garden) .