Silene uniflora 'Compacta'
SEA CAMPION
- AKA Silene maritima 'Compacta'
- Cushion-forming trailing semi-evergreen foliage
- Fleshy gray-green lance-shaped leaves, 2 cm long
HEIGHT: 10-15 cm · SPREAD: 20-30 cm
Silene x robotii 'Rolly's Favorite' (PP17392, CPBR4241)
CAMPION
- AKA Lychnis robotii 'Rolly's Favorite'
- Rich pink star-shaped flowers with white eyes
- Oval dark green hairy leaves
HEIGHT: 30-40 cm · SPREAD: 30-40 cm
Silphium laciniatum
COMPASS PLANT
- Clusters of nodding eastern-facing sunflower-like yellow flowers
- Sturdy green stems are covered in white hairs
- Basal narrow leaves are very deeply lobed and up to 50 cm long
HEIGHT: 200-300 cm · SPREAD: 50-60 cm
Silphium perfoliatum
CUP PLANT
- Bright yellow daisy-like flowers
- Coarsely-toothed bristly oval green leaves are 20 cm long
- Leaves are opposite each other and join together at stem to cup water
HEIGHT: 150-250 cm · SPREAD: 75-90 cm
Sisyrinchium angustifolium
BLUE-EYED GRASS
- AKA Sisyrinchium graminoides
- Forms a dense mounding clump of green blades
- Clusters of showy blue flowers are even with the top of the foliage
HEIGHT: 45-50 cm · SPREAD: 10-15 cm
Sisyrinchium angustifolium 'Lucerne'
BLUE-EYED GRASS
- Forms a low clump of green grassy blades
- Clusters of showy blue star-shaped flowers
- Bloom Time: Late spring-summer
HEIGHT: 20-25 cm · SPREAD: 15-20 cm
Smilacina racemosa
FALSE SOLOMON'S SEAL
- AKA Maianthemum racemosum
- Clump forming rhizomatous perennial
- Unbranched stems have alternate mid-green leaves
HEIGHT: 70-80 cm · SPREAD: 40-50 cm
Solidago caesia
BLUESTEM GOLDENROD
- Arching wands of golden flower clusters
- Blue-green stems and long thin green leaves
- Forms attractive open clumps
HEIGHT: 30-60 cm
Solidago canadensis
CANADIAN GOLDENROD
- Rhizomatous upright habit
- Numerous small yellow blooms
- Lance-shaped sharply-toothed green leaves
HEIGHT: 150-200 cm · SPREAD: 90-100 cm
Solidago flexicaulis
ZIGZAG GOLDENROD
- Small flowers cluster near the top of the plant
- Star-like yellow blooms
- Erect stems hold softly hairy coarsely-toothed oval leaves
HEIGHT: 30-60 cm · SPREAD: 30-100 cm
Solidago nemoralis
OLD FIELD GOLDENROD
- Erect upright perennial in the sunflower family
- Narrow downward-arching bright yellow plumes
- Grey-green leaves and stems
HEIGHT: 50-60 cm · SPREAD: 50-60 cm
Solidago ptarmicoides
UPLAND WHITE ASTER
- AKA Aster ptarmicoides
- Showy silver-white blooms surround a white to pale yellow disk
- Flowers resemble those of an aster
HEIGHT: 50-60 cm · SPREAD: 30-50 cm
Solidago rigida
STIFF GOLDENROD
- AKA Oligoneuron rigidum
- Flat-topped clusters of tiny bright yellow daisy-like flowers
- Velvety foliage is gray-green in the summer
HEIGHT: 90-125 cm · SPREAD: 60 cm
Solidago rugosa 'Fireworks'
FIREWORKS GOLDENROD
- A selection of the native goldenrod
- Clump forming vase-shaped to upright habit
- Yellow plume-like panicles cascade (like fireworks)
HEIGHT: 90-100 cm · SPREAD: 60-70 cm
Solidago sphacelata 'Golden Fleece'
GOLDENROD
- Clump-forming well-branched habit
- Arching panicles of golden-yellow flowers
- Flowers cover a finely-textured foliage
HEIGHT: 40-45 cm · SPREAD: 50-60 cm
Solidago x Little Lemon ('Dansolitlem') (PP17297, COPF)
DWARF GOLDENROD
- One of the most compact forms of solidago
- Masses of tiny lemon-yellow flowers form branched spikes
- Flowers cover a finely-textured foliage
HEIGHT: 30-35 cm · SPREAD: 40-45 cm
Sorbaria sorbifolia
FALSE SPIREA
- Tiny white flowers in dense terminal pyramidal panicles
- Deep green foliage resembles that of a mountain ash
- Erect multi-stemmed shrub invades rapidly by suckers and forming colonies
HEIGHT: 1-2 m · SPREAD: 1-3 m
Sorbaria sorbifolia 'Sem' (COPF)
FALSE SPIREA
- Tiny white flowers in dense terminal pyramidal panicles
- Lemony-yellow foliage emerges orange-red in the spring, changing to light green in the summer
- Leaves turn an outstanding coppery-bronze in the fall
HEIGHT: 100-125 cm · SPREAD: 80-100 cm
Sorbus alnifolia
KOREAN MOUNTAINASH
- Small densely-branched ornamental tree
- Creamy-white blooms
- Flowers are followed by pink to orange to scarlet berries
HEIGHT: 12-15 m · SPREAD: 6-8 m
Sorbus aucuparia
EUROPEAN MOUNTAINASH
- Narrow, upright to oval crown with ascending branches
- Green compound leaves in the summer turn reddish-purple in the fall
- Flat-topped clusters of small white flowers
HEIGHT: 10-12 m · SPREAD: 7-8 m
Sorbus aucuparia Cardinal Royal® ('Michred') (COPF)
CARDINAL ROYAL® MOUNTAINASH
- Narrow, upright to oval crown with ascending branches
- Dark green compound leaves in the summer turn reddish-purple in the fall
- Flat-topped clusters of small white flowers
HEIGHT: 10-12 m · SPREAD: 5-6 m
Sorbus aucuparia 'Rossica'
RUSSIAN MOUNTAINASH
- Narrow, upright to oval crown with ascending branches
- Green compound leaves in the summer turn orange-red in the fall
- Flat-topped clusters of small white flowers
HEIGHT: 9-10 m · SPREAD: 5-6 m
Sorbus decora
SHOWY MOUNTAINASH
- Upright, oval to rounded crown with ascending branches
- Blue-green compound leaves in the summer turn reddish-purple in the fall
- Flat-topped clusters of small white flowers
HEIGHT: 8-10 m · SPREAD: 6-8 m
Sorbus thuringiaca 'Fastigiata'
OAKLEAF MOUNTAINASH
- Broadly upright oval crown with ascending branches
- Elliptic to ovate deeply-lobed deep green leaves in the summer
- Foliage turns a yellow-brown in the fall
HEIGHT: 6-8 m · SPREAD: 3-4 m