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DR	Sagina subulata Irish Moss Size: 1” Hardiness: Zone 5 Growth Habit: Forms dense mats. A relatively fast evergreen moss-like ground cover with dainty star shaped flowers in May. Prefers moist soil and tolerates shade. Foliage color is a rich glossy emerald green. Very attractive between stones.
DR	Sagina subulata ‘Aurea' Scotch Moss, Pearlwort Size : 1" Hardiness: Zone 5 Growth Habit : Dense mats. Groundcover for shady areas. Great between stepping stones. A golden form of Irish moss. Good splash of color for part shade walkways or rockeries. Blooms May and June. Keep evenly moist.
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DR	Salvia 'Blue Hill' Meadow Sage Size : 12-18" Hardiness : Growth Habit : Upright, mounding. True blue flowers in spikes. Cut back to encourage new flowers.
DR	Salvia nemerosa ‘Caradonna' Meadow Sage Size : 2-2 ½' Hardiness: Zones 4-9 Growth Habit : Grows upright. A German introduction from Uchte Germany. Like ‘Eastfriesland' but with glowing purple stems. Outrageous! Tolerant of less than perfect conditions. Long blooming purplish flowers on glowing purple stems. Very drought tolerant. Our favorite Nemerosa!!
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DR	Salvia nemerosa ‘May Night' Meadow Sage Size : 12-14" Hardiness: Zones 4-7 Growth Habit : Clump-forming. This was the Perennial Plant Association choice for plant of the year in 1997. This selection of Salvia has radiant violet spikes in June-July often re-blooming in September if cut back after the first bloom. A lovely companion plant is Yarrow.
DR	Salvia lyrata 'Purple Knockout' Lyre-leaved Sage Size : 12-15" Hardiness: Growth Habit : Rosettes of purple. Self sows, good for foliage of purples spikes and dark green. Pink flowers.
DR	Salvia 'Marcus' Meadow Sage Size : 12" Hardiness : Zones 4-7 Growth Habit : Compact, dwarf variety. Violet purple flowers in June. Long blooming. Will re-bloom if deadheaded.
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DR	Salvia nemorosa 'May Night' Meadow Sage Size : 12-14" Hardiness : Zones 4-7 Growth Habit : Clump-forming. Bears violet spikes in early summer and often re-blooms in Sept.
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DR	Salvia nemorosa 'Snow Hill' Meadow Sage Size : 18" Hardiness : Zone 5 Growth Habit : Compact habit. White flowers. First white Salvia!
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DR	Salvia verticillata 'Purple Rain' Meadow Sage Size : 14-20" Hardiness : Zone 5 Growth Habit : Erect. Smokey purple flowers on long stems all summer. Broad leaves and a somewhat floppy habit make this quite unusual.
	Regarding All Sambucus: Cut back hard in early spring to maintain a compact habit. Summer fruits are delicious as preserves. Attracts birds.
	Sambucus ‘Laciniata' Lace Leaf Elderberry Size: 6' + Hardiness: Zone 5 Growth Habit: Arching, ornamental shrub. Dark green, dissected foliage. Achieves a look similar to Lace Leaf Maple. Enormous white flowers in June followed by large clusters of sweet small blue-black berries. Bird magnet.
	Sambucus ‘Plumosa Aurea' Gold Leaf Elderberry Size: 6' + Hardiness: Zone 5 Growth Habit: Upright arching shrubs. Bright yellow new growth that matures to chartreuse. Serrated foliage. Blooms in June followed by large clusters of sweet small blue-black berries. Bird magnet.
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DR	Santolina chamaecyparissus (incana) Lavender Cotton Size : 15-18" Hardiness : Zones 6-10 Growth Habit : Compact, round shrub. Bright, yellow button flowerheads are borne on slender stems in mid-summer. Shrub produces white-wooly young shoots. Drought and salt resistant. Densely covered with gray-white leaves.
DR	Santolina chamaecyparissus ‘Nana' Dwarf Lavender Cotton Size: 8-10” Hardiness: zone 6 Growth Habit: Sub-shrub. Mounding and bushy. Aromatic sub-shrub with semi-evergreen, silver, wooly foliage. Yellow, button-type flowers. Requires well-drained soil, drought tolerant. Blooms June and July. Thrives on neglect ; cut back in spring to rejuvinate.
DR	Santolina 'Morning Mist' Lavender Cotton Size : 24" Hardiness : Zone 6 Growth Habit : Fine needled, Mounding plant. Semi-evergreen. Small yellow button flowers in early summer with green-gray foliage. Aromatic plant.
	Santolina rosmarinifolia Lavender Cotton Size : 10-15" Hardiness : Growth Habit : Mounding, upright. Small yellow button flowers with fragrant green foliage.
DR	Saponaria 'Bressingham' Soapwort Size : 1-3" Hardiness : Growth Habit : Groundcover. Pink flowers. Does well in poor soils.
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DR	Saponaria officinalis 'Rubra Plena' Soapwort Size : 24" Hardiness : Zones 3-9 Growth Habit : Upright. Double red flowers that fade to pink from summer to autumn. Rough, prominently veined, mid-green leaves.
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	Scabiosa columbaria 'Butterfly Blue' Pincushion Flower Size : 20-24" Hardiness : Growth Habit : Open, upright. Very popular, ever-blooming. Lavender-blue flowers.


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	Sedum 'Autumn Fire' Autumn Fire Sedum Size : 12-18" Hardiness : Zones 3-8 Growth Habit : Mounding habit.
	Sedum 'Autumn Joy' Live Forever Hybrids (Tall Types) Size : 20-24" Hardiness : Zones 3-8 Growth Habit : Clump-forming and bushy. Flowering period is early autumn. Flowers deep pink at first, turning pinkish bronze and then copper.
	Sedum 'Bertram Anderson' Stonecrop Size : 12" Hardiness : Zones 3-8 Growth Habit : Clump-forming. Rose pink flowers.


	Sedum cauticola 'Lidakense' Stonecrop Size : 3-4" Hardiness : Zones 3-8 Growth Habit : Low cushions. Beautiful blue-gray foliage with purple edges. Bears pink flowers in September.
	Sedum dasyphyllum Stonecrop Size : 2-4" Hardiness : Zone 4 Growth Habit : Fine foliage. Mound-forming. Gray foliage with white-pink flowers in late summer.



	Sedum 'Harvest Moon' Stonecrop Size : Dwarf Hardiness : Zone 5 Growth Habit : Alpine. Succulent leaves. Yellow flowers in summer. Silver white leaves.
	Sedum hispanicum var. minus Stonecrop Size : Dwarf Hardiness : Growth Habit : Compact domes of leaves, topped by clusters of flowers. Bluish-gray, pink-tipped leaves, pinkish white flowers in the summer.
	Sedum 'John Creech' Stonecrop Size : 2" Hardiness : Zones 3-8 Growth Habit : Mat-forming. One of the best groundcover sedums. Pink flowers in June.


	Sedum makinoi ‘Ogon' Stonecrop Size: 2-3” Hardiness: Zone 6 Growth Habit: Forms flat, delicate mats. Very attractive lemon yellow foliage on pink stems. Foliage color will vary from whitish in a sunny spot to charteeuse in more shade.
	Sedum makinoi ‘Variegata' Stonecrop Size: 2-3” Hardiness: Zone 6 Growth Habit: Forms flat, delicate mats. Bright yellow flowers. Bright white and green, variegated leaves. Attracts butterflies. One of the only succulent that thrives in moist partial shade.

DR	Sedum pachyclados Grey Stonecrop Size: 3” Hardiness: Zones 5-9 Growth Habit: Spreading Small powdery blue-grey. leaves host sparkling small peachy pink flowers in early summer. Attracts butterflies.
	Sedum populifolium Stonecrop Size : 6-8" Hardiness : Zones 3-8 Growth Habit : Spreading. Species forms tree-like foliage. Bears yellow flowers in late summer.
	Sedum 'Purple Emperor' Live Forever Hybrids Size : Up to 12" Hardiness : Zone 6 Growth Habit : Clump-forming. Dusty red flowers.
	Sedum rupestre Stonecrop Size : 4" Hardiness : Zones 3-8 Growth Habit : Mat forming, evergreen. Spruce-like foliage. Star-shaped yellow flowers, erect as the open in summer.

	Sedum sieboldii Stonecrop Size : 4" Hardiness : Zone 6 Growth Habit : Flaring stems of round leaves. Spreading, tufted. Gray leaves. Blooms pink very late.
	Sedum spathulifolium 'Carnea' Stonecrop Size : 2" Hardiness : Zone 5 Growth Habit : Low growing, compact cushions. Crimson or vermillion fringed foliage.
	Sedum spectabile 'Neon' Live Forever Hybrid Size : 18-24" Hardiness : Zone 4 Growth Habit : Rounded, thicker, flower clusters. Butterflies enjoy. Deep rose pink blooms late summer.

DR	Sempervivum ‘Baronesse' Hens & Chicks Size: 1-2” Hardiness: Zone 4 Growth Habit: Medium-sized rosettes. Olive-green leaves, backed with russet red. Light webbing. Purple-red flowers to 12” in July and August. Requires excellent drainage.
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DR	Sempervivum ‘Red Cross' Hens & Chicks Size: 1-2” Hardiness: Zone 4 Growth Habit: Low-growing, rosette forming, succulent ground covering. Bright red leaves, lightly tipped green. Large rosettes.
DR	Sempervivum ‘Red Rum' Hens & Chicks Size: 1-2” Hardiness: Zone 4 Growth Habit: Low-growing, rosette forming, succulent ground covering. Olive green leaves with reddish-purple highlights. Large size.




	Sidalcea hybrida 'Party Girl' Miniature Hollyhocks Size : 3.5" Hardiness : Growth Habit : Erect. Cut back spent stalks to encourage rebloom. Carmine-rose flowers on tall stems.

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Silphium trifoliatum

Cup Plant

Size: 5-7'

Hardiness: Zones 5-8
Growth Habit: Lance-shaped leaves, whorls of 3 or 4.

Purplish stems with single, yellow flowers. Rich, well-drained soils preferred, but very tough and adaptable.

Sisyrinchium angustifolium 'Lucerne'

Blue Eyed Grass

Size : 8-10"

Hardiness : Zones 5-9

Growth Habit : Clump-forming.

Bright blue star shaped flowers with gold centers from May - July. Fine, Iris-like foliage - moist to average soil.

Sisyrinchium 'California Skies'

Blue-eyed grass

Size : 8"

Hardiness : Zone 5

Growth Habit : Low tufts of grass-like foliage with starry flowers.

Blue flowers.

Sisyrinchium idahoense 'Album'

Blue-eyed Grass

Size : 6-17"

Hardiness :

Growth Habit : Upright.

White flowers.

Solidago flexicaulis

Zig-zag Goldenrod

Size: 2-3'

Hardiness: Zones 4-8

Growth Habit: Zig-zag stems, upright.

Bright, golden yellow flowers grow in small clusters. Flowers bloom mid summer into fall. Very adaptable to numerous conditions, soils moist to dry. Great to dress up roadsides.

Solidago graminifolia (Euthamia)

Grass-leaved Goldenrod

Size : 3-4'

Hardiness : Zones 3-9

Growth Habit : Fine-textured linear foliage.

Golden flat topped inflorescences late summer. Thrives in moist meadows and average garden soil. Eastern wildflower.

Solidago rugosa 'Fireworks'

Goldenrod

Size : 3-4'

Hardiness : Zones 4-9

Growth Habit : Compact clump-forming.

Long, arching golden yellow sprays of flowers. Compact plant with radiating flowers that look like fireworks. Attracts butterflies.

Solidago sempervirens

Seaside Goldenrod

Size : 5-7'

Hardiness : Zones 4-9

Growth Habit : Leathery leaves are semi-evergreen rosettes.

Happy in sandy soils and salt spray. Will grow in pure sand.

Solidago sphacelata 'Golden Fleece'

Common Goldenrod

Size : 18"

Hardiness : Zones 4-9

Growth Habit : Clump-forming.

Many wands of golden flowers from mid-August to October. Semi-evergreen heart shaped leaves. Make a great groundcover. Flowers rise above the low foliage beginning mid-late summer.