Solidago gigantea is a steroidal species known as giant goldenrod since it can reach more than 6 feet high!

Solidago shortii 'Solar Cascade' is a nativar of the endangered Short's goldenrod with cascading branches of long-blooming yellow flowers.

Sorbaria sorbifolia 'Cherry on Top' is a false spiraea shrub with beautiful multi-toned foliage and plumes of white flowers.

Sorbaria sorbifolia 'Sem' is a fantastic, super hardy shrub with beautiful young foliage tinged with pink, orange and gold which gradually changes to green when mature.

Spirea betulifolia 'Glow Girl' is a cold-hardy, multi-stemmed shrub with white flowers and golden-green foliage.

Spiraea douglasii or hardhack is a BC native offering very showing spires of pink pink fuzzy flowers popular with pollinators.

Spirea japonica 'Double Play Gold' is a cold-hardy, multi-stemmed shrub with pink flowers and golden-green foliage.

Stachys monieri 'Hummelo' is the Perennial Plant of the Year for 2019 with attractive textured leaves and spikes of lavender rose pink flowers in early to mid summer.

Stachys spathulata (S. minima) is like a darling dwarf version of 'Hummelo' with attractive foliage and darling spikes of lavender pink.

Stachys 'Lilac Falls' grows as spreading mounds of lush foliage topped for months with short spikes of lilac pink flowers.

Stemmacantha centaureoides is a dramatic perennial silver-green, cardoon-like foliage and thistle-like lavender-pink flowers from shiny light brown bracts.

Stenanthium gramineum or eastern featherbells grass-like leaves topped with a 5 foot tall branching inflorescence of star-like, white, fragrant flowers in late summer.

Strumaria picta is a beautiful candy-cane-coloured species with red and white bell-shaped flowers with a spicy fragrance.

Strumaria salteri is a cute and dainty species with glistening mid pink flowers with darker central bands that bloom in fall.

S. truncata White Form has beautiful outward-facing or nodding clusters of white, fragrant, funnel-shaped flowers.

Stylophorum diphyllum or celandine poppy is a rare, bright yellow poppy relative for the woodland garden.

Succisa pratensis, known as blue buttons or devil's-bit scabious, is a perennial wildflower with globular, purple pincushions.

Symphoricarpos albus, the common snowberry, is a lovely BC native shrub with clusters of pure ivory white berries.

Symphoricarpos doorenbosii 'Pinky Promise' is an ornamental shrub known as snowberry valued for its late season pink berries.

Symphytum grandiflorum 'Goldsmith' is a neat clump-forming comfrey with light green crinkled leaves edged with yellow.

Forms a low mound of hairy green leaves. In late spring, upright stems bearing clusters of dark-red bells start to emerge.

Symphytum x uplandicum 'Axminster Gold' is a vigorous, variegated comfrey that produces clusters of mauve-pink and blue flowers.

Tanacetum Radiant Deep Pink has glowing magenta flowers with bright yellow centres on compact, upright plants.

Tanacetum Radiant Light Pink has glowing light pink flowers with bright yellow centres on compact, upright plants.