- The state tree is the white oak; or more specifically, the Charter Oak.
- The state flower is the mountain laurel.
|Scientific name||English name||Status|
|Caltha palustris||Kingcup or marsh marigold|
|Cephalanthus occidentalis||Buttonbush, button-bush, button-willow or honey-bells|
|Clethra alnifolia||Summersweet or sweet pepperbush|
|Iris versicolor||Blue flag iris or harlequin blueflag|
|Kalmia latifolia||Mountain laurel|
|Quercus alba||White oak|
|Ranunculus septentrionalis||Swamp buttercup|
|Rhododendron viscosum||Clammy azalea or swamp azalea|
|Symplocarpus foetidus||Eastern skunk cabbage|
A large part of the state of Connecticut is covered with oak-hickory type central hardwood forest. This region was historically dominated by various oaks and chestnuts, but hickory replaced chestnut with the spread of the chestnut blight.
In the northwestern hills of the state, more northern-hardwood type trees are present.