Sedum 'Night Light' grows into dramatic mounds topped in summer and fall with yellow flowers that age to pink.

Sedum 'Powderpuff' blooms with rosy pink flowers that completely cover the mound of foliage all the way to the ground!

Sedum spurium Spot On 'Deep Rose' offers a spreading mat of olive green foliage topped with rich magenta flowers.

Sedum tetractinum 'Coral Reef' is a Chinese stonecrop with low-growing, orange-infused, succulent, evergreen leaves.

Sideritis syriaca 'Sarada's Mountain Tea' or ironwort is an evergreen shrub with gray-green fuzzy foliage and yellow flowers.

Silphium perfoliatum 'The Holy Grail' is a dramatic cup plant due to its height, chartreuse foliage and bright yellow daisies.

Sisyrinchium nashii 'Suwannee' is a blue-eyed grass with small iris-like foliage and cheerful starry sky blue flowers.

'Mandela's Gold' (formerly 'Kirstenbosch Gold') is a special form of Strelitzia reginae with yellow flowers.

You'll never forget the first time you see a black bat flower in full bloom! Tacca chantrieri 'Black' is super botanically intriguing.

You'll never forget the first time you see a white bat flower in full bloom! Tacca chantrieri 'Nivea' is super botanically intriguing.

Verbascum 'Plum Smokey' is a compact mullein with large, pinkish-purple flowers and silver-green foliage.

Verbena stricta offers beautiful spikes of densely-packed lavender flowers from early summer to fall.

Weigela 'All Summer Peach' is a compact reblooming shrub with glowing peach, pink, and yellow tubular flowers.

Weigela 'All Summer Red' is a compact reblooming shrub with bright red tubular flowers from spring until autumn.