Summer Carnival Apple Blossom Hollyhock seeds create a mix of semi- to fully-double blooms in the sweetest shades of pink and cream. The Summer Carnival series earned in 1972 an All-America Selections award for its exceptional garden performance. Known for its tall, sturdy stalks and richly colored blooms, Summer Carnival Apple Blossom continues the tradition of this series as a beloved choice for cottage gardens and classic borders.