@summer.annj: Here is how to crossbreed and level up your flower star tiers all the way to 5-star! Arrange flowers in any layout, provided they share the same star tier. Water exchange with up to 4 neighbors to boost crossbreed rates. Use Rainbow Breeding Powder on fully grown flowers. Equip a Rainbow Bouquet to get extra breeding powder opportunities. 5-star flowers represent the final result and can no longer crossbreed! #Heartopia #HeartopiaCreatorTeam #ShareMyHeartopia #HeartopiaCrossbreeding #HeartopiaTips

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Sunday 30 August 2026 10:30:00 GMT