The bug
When right-clicking a flower pot to retrieve the plant, the item will always go into the selected ("mainhand") slot, even if there is an existing stack of that item.
Steps to reproduce
Place a flower pot
Put a flower into that flower pot
(Optional) Switch into survival mode
Make sure you have one of the flower in your hotbar, and an empty hand
Right-click the flower pot
Observed behaviour
The flower has goes into the player's hand
Expected behaviour
The flower would join the already-existing stack
Notes
Related issues
relates to
MC-267925
Retrieving an item from a flower pot while holding something causes the item to end up in your off hand
MC-193010
Cannot take flower from flower pot when player has the same flower in their hand
MC-249735
Retrieving items from allays in creative mode grants the held item even if it's already present in your inventory
MC-262529
Collecting books from chiseled bookshelves in creative mode grants the book even if it's already present in your inventory
Comments
MMK21
muzikbike
Could be fixed by just making the flower drop at the pot's location instead, as is done for berries, as well as shearing beehives/pumpkins.
Avoma
Can confirm in 1.19.1.
MMK21
Relates to MC-193010
migrated
i can confirm in 1.19.3 and 23w04a
Discovered while testing MC-231743