they don't "talk" per se, but can supposedly "communicate" chemically through the process of Allelopathy
see the related link
They don't have mouths. only animals, fish, birds and the like talk, but some trees can communicate
YES! pandas communicate with each other by scratching on trees
No, a tree doesn't have a voice so it can't talk like humans can, however there is research that is being done which believe trees can communicate with each other.
Of course, mice can talk to each other.
Mycorrhizal fungi act as intermediaries between trees by forming connections underground, allowing them to exchange nutrients and chemical signals. This helps trees communicate and support each other in a network known as the "wood wide web."
They would talk about the wind, and how the world is doing, I suppose. Maybe about what they're feeling and how their leaves are doing. Something like that, I suppose.
Because the people that talk about other people like them
no There were many experiments carried out during the 1960s and 1970s which indicate that plants may be able to "communicate" with each other. As to whether this communication can also take place between unrelated species has yet to be proven or disproven and until it has been it may be as well to keep an open mind. As the saying goes, "A wise man is aware how little he truly knows."
they talk to the plants by doing farts
white sided dolphines talk to each other by clicking
Christmas trees cannot talk.
yes bacteria can talk to each other