Sidalcea campestris, is a Prairie mallow, a hollyhock-like plant with white to pink flowers grown on strong erect stems and a butteryfly host plant.

Sidalcea hendersonii, Henderson's checker mallow, is an extremely rare native species with lovely spires pink flowers.

Sidalcea malviflora ssp. virgata is a native West Coast hollyhock relative with pink flowers on erect stems.

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

Silene acaulis, moss campion, is a small, mountain-dwelling wildflower with pink flowers on mossy carpets.

Silene dioica 'Inane' has attractive burgundy-flushed foliage and bright magenta-pink, pinwheel-like flowers from early summer to fall.

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

Sinningia is a genus related to Gloxinia and African violets. 'Invasion Force' has pink, fragrant, tubular flowers atop felted foliage.

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

Mighty Mato grafted tomatoes produce 2-3 times (or more!) fruit than ungrafted plants and are more cold tolerant and disease resistant.

Mighty Mato grafted tomatoes produce 2-3 times (or more!) fruit than ungrafted plants and are more cold tolerant and disease resistant.

Mighty Mato grafted tomatoes produce 2-3 times (or more!) fruit than ungrafted plants and are more cold tolerant and disease resistant.

Mighty Mato grafted tomatoes produce 2-3 times (or more!) fruit than ungrafted plants and are more cold tolerant and disease resistant.

Mighty Mato grafted tomatoes produce 2-3 times (or more!) fruit than ungrafted plants and are more cold tolerant and disease resistant.

Mighty Mato grafted tomatoes produce 2-3 times (or more!) fruit than ungrafted plants and are more cold tolerant and disease resistant.

Mighty Mato grafted tomatoes produce 2-3 times (or more!) fruit than ungrafted plants and are more cold tolerant and disease resistant.

Mighty Mato grafted tomatoes produce 2-3 times (or more!) fruit than ungrafted plants and are more cold tolerant and disease resistant.

Mighty Mato grafted tomatoes produce 2-3 times (or more!) fruit than ungrafted plants and are more cold tolerant and disease resistant.

Mighty Mato grafted tomatoes produce 2-3 times (or more!) fruit than ungrafted plants and are more cold tolerant and disease resistant.

Mighty Mato grafted tomatoes produce 2-3 times (or more!) fruit than ungrafted plants and are more cold tolerant and disease resistant.

Mighty Mato grafted tomatoes produce 2-3 times (or more!) fruit than ungrafted plants and are more cold tolerant and disease resistant.

Mighty Mato grafted tomatoes produce 2-3 times (or more!) fruit than ungrafted plants and are more cold tolerant and disease resistant.

Mighty Mato grafted tomatoes produce 2-3 times (or more!) fruit than ungrafted plants and are more cold tolerant and disease resistant.

Mighty Mato grafted tomatoes produce 2-3 times (or more!) fruit than ungrafted plants and are more cold tolerant and disease resistant.

Mighty Mato grafted tomatoes produce 2-3 times (or more!) fruit than ungrafted plants and are more cold tolerant and disease resistant.