List of U.S. state and territory plants and botanical gardens

This is a list of U.S. state and territory plants and botanical gardens — plants and botanical gardens which have been designated as an official symbol(s) by a state or territory's legislature.

5 U.S. states and 1 U.S. territory have an official state/territory plant.

7 U.S. states have an official state botanical garden or arboretum.

This list excludes state flowers, state trees, and state grasses.

In addition to Hawaii's state plant, Hawaii has official state flowers and lei-making material for the individual islands of Hawaii:[22][23]