Diervilla lonicera

About

Diervilla lonicera, commonly referred to as northern bush honeysuckle, low bush honeysuckle, dwarf bush honeysuckle, or yellow-flowered upright honeysuckle, is a deciduous shrub native to the northeastern United States and Canada. Its specific epithet, lonicera refers to its similarity in appearance to the true honeysuckles, genus Lonicera. It attracts bumblebees and is an important source of nectar for them.

Summary from Wikipedia