What is the collective noun for a group of fruit trees?

There isn't a universally accepted collective noun for a group of fruit trees.

However, here are some options you could use:

* An orchard is the most common and widely recognized term for a collection of fruit trees.

* A grove could also be used, especially if the trees are of a specific type (e.g., an apple grove).

* A plantation is suitable if the trees are planted in a large, commercial setting.

You could also get creative and use a noun that reflects the type of fruit the trees produce, like:

* A blush of peach trees

* A cluster of pear trees

* A canopy of cherry trees

Ultimately, the best collective noun will depend on the context and your desired effect.