What does Bloom of the Heavens reward?

Bloom of the Heavens gives Bouquet of Auberdine Flowers outright, 25s, 2,350 experience.

Where does Bloom of the Heavens start?

Sylessa Duskwhisper in Wetlands offers it.

The quest log lists it at level 29.

Yes. Its quest id is not in Classic Era, so it is part of what Forever adds.

World of Warcraft: Forever · quest · level 29 · new since Classic Era

A level 29 quest in World of Warcraft: Forever, offered by Sylessa Duskwhisper in Wetlands. Recorded by 2 players running the addon.

Item	Given	Item level	Vendor sell
Bouquet of Auberdine Flowers	outright	29

What does Bloom of the Heavens reward?: Bloom of the Heavens gives Bouquet of Auberdine Flowers outright, 25s, 2,350 experience.
Where does Bloom of the Heavens start?: Sylessa Duskwhisper in Wetlands offers it.
What level is Bloom of the Heavens?: The quest log lists it at level 29.
Is Bloom of the Heavens new in WoW Forever?: Yes. Its quest id is not in Classic Era, so it is part of what Forever adds.

What sells at this level, and what to keep from these rewards, is in the level 20 to 30 gold guide.

Source: what players running the addon saw in the quest windows; the quest text itself stays in the game. Every quest seen · Wetlands