Tall, yellow flowers of Rudbeckia

The August garden is lit up by many bright, cheery Rudbeckias but one I am particularly fond of is Rudbeckia 'Herbstonne' (also called Rudbeckia 'Autumn Sun').

It grows to a height of 4-7 feet and each flower is about 4 inches wide. The yellow petals droop downward from a green center cone. 

It's striking in a large grouping and makes a wonderful backdrop to any perennial border, given its height and dark green foliage. And it blooms from late summer to fall!