Pink Rose of Sharon Althea TreeBlooms Throughout Summer on Compact Silhouette Why Pink Rose of Sharon Althea Trees? Famous for its long blooming season, the Pink Rose of Sharon Althea Tree. You will get bright pink, tropical flowers for months. In fact, the showy flowers are breathtakingly deep pink. You can expect a flurry of large flowers from early summer to early fall a time when other plants in your garden are going dormant. And it attracts both hummingbirds and butterflies. A