Bottlebrush buckeye is native to New York, Pennsylvania and a few states in the Southeast. Requiring a lot of space in the landscape,this shrub grows to 8 to 10 feet in height and has a wide-spreading habit, with thick branches that do not lend themselves to shearing or pruning. This very outstanding shrub flowers in July and August when few other shrubs are in bloom. Long white petals with reddish-pink anthers and stamens are borne in spikes that are 8 to 12 inches long and 2 to 4 inches wide. Typical buckeye leaves are palmate, with five toothy leaflets. Smooth brown nuts in husks ripen in late fall. Bottlebrush buckeye is a beautiful, mounding, shrubby species of buckeye with spectacular flowers in mid-summer.