S botanical name




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Plant Descriptions: Beginning with Letter S 

BOTANICAL NAME

HEIGHT

SPACING

COLOR

SEASON

LIGHT

HABIT

Sagina PEARLWORT A low moss-like ground cover that spreads indefinitly, forming large mats. Good filler for inbetween stepping stones and pavers of a patio or walkway. Prefers loamy acidic to neutral soils, well drained, and moderate fertility. Needs consistant moisture. Will not thrive in the damp shade that true mosses prefer.

Sagina subulata

1 in.

6 - 12 in.

white

spring

Su-pSh

dense mat

Sagina subulata 'Aurea'

1 in.

6 - 12 in.

white

spring

Su-pSh

dense mat

Salvia nemorosa MEADOW SAGE Longest-lived in moderately fertile, sandy soil. Must have soil with average moisture that drains well. Bears an abundance of flowers on many spikes with rough, gray green leaves on many stems. Aromatic foliage is bushy with an excellent flower show, making it a fine border plant.

Salvia argentea

fol. 12 in.

18 - 24 in.

fol. silver

summer

Su

clump

Salvia lyrata 'Purple Knock Out'

18 in.

18 - 24 in.

lilac blue

summer

Su-pSh

clump

Salvia nemorosa 'Blue Hill'

18 - 24 in.

18 - 24 in.

sky blue

e.summer

Su

clump

Salvia nemorosa 'Carradonna'

18 in.

18 - 24 in.

purple

spring - e.sum

Su

clump

Salvia nemorosa 'Eastfriesland'

18 - 24 in.

18 in.

violet blue

l.spr -e.sum

Su

clump

Salvia nemorosa 'Marcus'

12 in.

18 in.

violet purple

summer

Su

clump

Salvia nemorosa 'May Night'

2 ft.

18 - 24 in.

dk. violet

late spring

Su

clump

Salvia nemorosa 'Plumosa'

15 - 18 in.

18 in.

dusty rose purp

late spring

Su

clump

Sambucus 'Black Beauty' ELDERBERRY Massive pink flowers in June are broad and somewhat flat topped. They are composed of many tiny florets similar to Myosotis and exude a fragrance of citrus.  Foliage is a rich purple-black color providing a nice contrast to the clusters of flowers.  Plants can be grown as a small tree or cut back hard in fall and used as a woody perennial.  For best overall appearance site plants in full sun with adequate moisture..

Sambucus 'Black Beauty'

8 - 12 ft.

6 - 8 ft.

pink

june

Su-pSh

shrub

Sanguisorba tenuifolia purpurea BURNET Abundant foliage clumps of finely cut narrow leaves give a feathery appearance. Purplish red catkins on multi-branched stems rise up in late summer. Prefers moist conditions.

Sanguisorba obtusa

2 - 4 ft.

2 - 3 ft.

pink

l. summer

Su

clump

Sanguisorba tenuifolia 'Alba'

4 - 5 ft.

2 - 3 ft.

greenish white

lt. sum. - aut.

Su-pSh

clump

Sanguisorba tenuifolia purpurea

4 - 5 ft.

2 - 3 ft.

purplish red

lt. sum. - aut.

Su-pSh

clump

Santolina chamaecyparissus (incana) LAVANDER COTTON Prefers light well drained soil and a dry site rather than a wet one. Usually trimmed in March to maintain a compact habit, which will prevent flowering, or pruned hard after flowering to tidy up. This woody pseudo-evergreen is primarily grown for the gray foiliage that associates well with other flowers and foliage. The leaves have a wooly, dense, filigree character with a gentle spicey or piney fragrance noticeable especially after rain. In sandy soil and full sun it has a white sheen. No serious disease or insect problems bother it. Does not like excess moisture in winter.

Santolina chamaecyparissus (incana)

18 in.

24 in.

yellow

summer

Su

hummock

Saponaria ocymoides ROCK SOAPWORT Quite cold hardy but not tolerant of high summer humidity or wet conditions in winter. Excellent carpeting plant for hanging over rocky slopes and retaining walls.

Saponaria ocymoides

6 - 9 in.

12 in.

pink

e. summer

Su

carpet

Sarcococca SWEET BOX Instantly likeable evergreen shrub. The plants form dense upright clumps of shiny lance shaped leaves. The foliage is very durable and the plants look good all year. In early spring, fragrant flowers in small clusters are partially hidden by the foliage, but fill the air with a lingering sweetness. Although rhizomatous, it is extremely slow growing, and this must be the only reason for its relative scarcity. Patience required. Grows well with sufficient organic matter added to retain moisture, and a semi-protected site, but seems to tolerate drier, shaddier conditions once established.

Sarcococca hookeriana humils

1 - 2 ft.

12 - 16 in.

white fr

e. spring

Su

spreader

Scabiosa columbaria 'Butterfly Blue' PINCUSHION FLOWER An extravagant performer that attracts butterflies! A good cut flower that blooms from May through frost. Useful toward the front of your sunny garden in moist well drained, fertile soil, preferably alkaline. Dead-head to encourage profuse blooming. The foliage provides special interest, with lance shaped lower leaves, and linear stem leaves deeply incised and arranged in an opposite manner. Delightful, old fashion, and the most popular of the perennial species.

Scabiosa columbaria 'Butterfly Blue'

12 - 15 in.

12 - 18 in.

blue

spring - frost

Su

clump

Scabiosa columbaria 'Pink Mist'

12 - 15 in.

12 - 18 in.

pink

spring - frost

Su

clump

Schizophragma hydrangeoides ‘Moonlight’ JAPANESE HYDRANGEA VINE  A Hydrangea like vine with silver gray mottled foliage.  Flowers resemble lacecap Hydrangeas being creamy pink with pale yellow bracts.  Although tolerant of part shade conditions, foliage mottling and floral display is more prominent on plants sited with a touch of sun.  Plants need tying to support until established and can be pruned in spring.  Native to Japan and Korea, found growing in humus- rich, well-drained soils.

Schizophragma hydrangeoides 'Moonlight'

20 - 30 ft.

4 - 5 ft.

white

june/july

pSh

vine

Sedum STONE CROP. Butterflies love them! Thrive in moderately fertile, well drained but moist soil. All have thick, fleshy leaves that are handsome throughout the growing season. Ranges of color, texture and size incorporate different personalities to your garden. S. spurium must have excellent drainage, disliking wet feet.

Sedum acre

2 - 3 in.

18 in.

yellow

l.spring

Su

mat

Sedum 'Angelina'

6 - 10 in.

18 - 24 in.

yellow

summer

Su

spreader

Sedum 'Arthur Branch'

2 ft.

18 - 24 in.

rose

l. summer

Su

clump

Sedum 'Autumn Fire'

2 - 3 ft.

2 ft.

pink-red-russet

e. autumn

Su

clump

Sedum 'Autumn Joy'

2 ft.

2 ft.

pink-red-russet

e. autumn

Su

clump

Sedum 'Bertram Anderson'

12 in.

12 - 15 in.

rose pink

summer

Su

clump

Sedum 'Black Jack'

24 in.

18 - 21 in.

pink

sum. - fall

Su

clump

Sedum 'Carl'

18 in.

18 - 21 in.

pink

l.sum-fall

Su

clump

Sedum cauticola 'Lidakense'

6 in.

12 - 18 in.

pink / rose

l.sum -e.fall

Su

mounds

Sedum 'Frosty Morn'

18 in.

2 ft.

white to pink

l. summer

Su

clump

Sedum hispanicum minus purple form

1 in.

12 in.

pinkish white stars

june

Su

spreader

Sedum 'John Creech'

2 in.

12 - 18 in.

pink

june

Su

spreader

Sedum 'Matrona'

2.5 - 3 ft.

2 - 3 ft.

pink -indian red

l. summer - aut

Su

clump

Sedum 'Neon'

1.5 - 2 ft.

1.5 - 2 ft.

deep rose pink

l. summer - aut

Su

clump

Sedum 'Purple Emperor'

2 ft.

18 - 24 in.

dusty red

l.summer

Su

clump

Sedum 'Robustum' (Rosy Glow)

10 in.

18 in.

ruby red

l. sum. - aut.

Su

clump

Sedum spectabile 'Brilliant'

1.5 - 2 ft.

1.5 - 2 ft.

pink

l. summer - aut

Su

clump

Sedum spurium 'Dragons Blood'

4 in.

12 - 18 in.

crimson

summer

Su

carpet root.

Sedum spurium 'Red Carpet'

4 in.

12 - 18 in.

red

summer

Su

carpet root.

Sedum spurium 'Tricolor'

4 in.

12 - 18 in.

pink

summer

Su

carpet root.

Sedum sieboldii

6 in.

12 - 18 in.

lt. pink

autumn

Su

clump

Sedum 'Vera Jameson'

9 in.

12 in.

pink

l. summer

Su

clump

Sedum floriferum 'Weihenstephaner Gold'

6 - 9 in.

12 in.

yellow

summer

Su

clump

Sempervivum tectorum HENS AND CHICKS These plants have low evergreen foliage that grows thickly in rosettes of succulent leaves. They are often used and are easily grown in free draining infertile soil with average moisture. The Latin "semper" means "always" and "vivo" means "live." The mother plants ("hens") usually die after flowering, and the remaining "chicks" are left to grow next year. Small star shaped flowers may be pink, white, green, yellow or purple. Does well in full sun. Frequently planted in the spaces between the stones in rock walls, or near walks and in planters.

Sempervivum tectorum

12 in.

12 in.

pink

summer

Su

clump

Sidalcea PRAIRIE MALLOW OR CHECKER-MALLOW Moist, well drained. Native to North America will rebloom if cut back after flowering. Full sun or light shade, deep loamy, fertle soil. Happiest in climates with cool dry summers, disliking heat and humidity.

Sidalcea 'Little Princess'

15 in.

12 - 18 in.

soft pink

summer

Su

clump

Sidalcea 'Party Girl'

2 - 3 ft.

18 - 24 in.

carmine rose

summer

Su

clump

Silphium perfoliatum CUP PLANT This tall growing native sunflower relative is one of our best wildlife plants. Large opposite leaves clasp the stem forming cups that catch and store rain water and these reservoirs are visited by birds and butterflies. A group planting will result in a five to ten foot tall bird haven and in the fall they will come to devour the seeds. Occurs naturally in moist areas but grows well in fertile soils with average moisture. Needs room to move and will self-sow on open soils. Silphium trifoliatum WHORLED ROSIN WEED Growing to 4 ft. this species is shorter and less stately then S. perfoliatum, although still warrants placement in the native, wildlife friendly garden.  The flower stems form heavy spikes of yellow radiated flowers, sometimes causing the plant to bend under its own weight.  Naturalist William Bartram talks of Silphium as “Possessing a resin of agreeable fragrance and bitterish taste, somewhat like frankincense.”  He also notes the resin being used by Native Americans to cleanse the teeth.

Silphium perfoliatum

6 ft.

3 - 4 ft.

yellow

summer

Su

clump

Silphium trifoliatum

5 - 7 ft.

3 - 4 ft.

yellow

summer

Su

clump

Sisyrinchium BLUE-EYED GRASS Bright blue star shaped flowers with gold centers atop grassy tufts of green iris-like foliage. Very long blooming, it makes an excellent container plant or foreground element in the garden.

Sisyrinchium bermudianum

10 in.

12 in.

blue

spr.-summer

Su

clump

Sisyrinchium angustifolium 'Lucerne'

10 in.

12 in.

blue

spr.-summer

Su

clump

Solidago sphacelata 'Golden Fleece' GOLDENROD The gradual formation of the flowerheads is interesting to watch. Quite hardy, they do well in moderate, humusy soil with a moisture range from wet to dry. Some solidagos grace the formal garden while others accent the wild garden beautifully. Goldenrod is not to be mistaken for the allergy causing ragweed, an undying misconception in America. In Europe they have always been valued in gardens and bouquets.

Solidago 'Fireworks'

3 - 4 ft.

2 ft.

yellow

l. summer

Su-Sh

clump

Solidago sphacelata 'Golden Fleece'

18 in.

18 in.

golden yellow

l. sum. - aut.

Su-pSh

clump

Smilacina racemosa  FALSE SOLOMONS SEAL Similar in foliage arrangement and stem structure to Polygonatum, often found inhabiting the same soils.  The difference in flower and berries can help distinguish these allies of the woodland.  Smilacina flowers out from the top of each stem in dense, creamy white, fragrant clusters, followed by red berries in autumn. Where as Polygonatum has pendant flowers along the stem and  blue black berries in autumn.  Plants thrive in moist, humus rich, lime free soils.

Smilacina racemosa

1 - 3 ft.

18 - 24 in.

cream

may-july

Sh-pSh

spreader

Spigelia marilandica INDIAN PINK, PINKROOT This is one of our most treasured native wild flowers, that thankfully, has been easier to find in recent times. Bushy clumps of unbranched stems with medium green leaves produce upward facing bright red trumpet flowers with a contrasting yellow throat. It is happy at the woodland edge and in moist soils rich in humus.

Spigelia marilandica

12 in.

12 in.

bright red

l. spring

pSh

clump

Spiraea japonica 'Magic Carpet' SPIREA Recent cultivar with striking, gradually changing foliar colors, from young yellow orange shoots and tips that explode while blooming into shades of chartreuse. Does not revert to green, has a compact habit, tolerates heat, and has no foliage diseases. Breathtaking in shade as a ground cover, eye catching in any size group, and singly will brighten any small spot. Spiraea japonica 'Little Princess' is a dependable green-leafed dwarf.

Spiraea japonica 'Magic Carpet'

2 - 3 ft.

3 ft.

bright pink

summer

Su-pSh

shrub

Spiraea japonica 'Little Princess'

12 - 15 in.

12 - 18 in.

pink

summer

Su-pSh

shrub

Spiraea thunbergii 'Mt.Fuji'

3 - 4 ft.

3 - 3.5 ft.

white

spring

Su-pSh

shrub

Stachys byzantina LAMB'S EAR Semi-evergreen in our region. Adaptable to most soils with average moisture that drain well. Offers superb gray, wooly foliage for well-defined edging and for the front of the border. Flower spikes are sometimes removed. Foliage height is 4 to 6 in. S. b. 'Silver Carpet' is a non-blooming form and S. 'Helen Von Stein' (syn. 'Big Ears') also non-blooming, has broad leaves twice the size of other Lamb's Ears. Children as well as anyone will love to touch their silky soft felty leaves. Stachys grandiflora 'Rosea' (syn. Stachys macrantha 'Rosea') BETONY forms tight basal tufts of green heart shaped leaves with scaloped edges. Eye-catching whorls of flowers are held on stiff stems above the foliage. Plants spread to form dense clumps.

Stachys byzantina (lanata)

20 in.

18 in.

mauve

summer

Su

carpet

Stachys byzantina 'Silver Carpet'

fol.6 - 10 in.

18 in.

fol. silver

no flower

Su

carpet

Stachys byzantina 'Big Ears'

fol.8 - 10 in.

24 in.

fol. silver

no flower

Su

carpet

Stachys grandiflora 'Rosea'

12 - 24 in.

18 in.

rose red

l. spring

Su-pSh

clump

Stachys monnieri 'Hummelo'

18 - 20 in.

18 - 24 in.

rose-lavender

summer

Su

spreader

Stephanandra incisa 'Crispa' CUTLEAF STEPHANANDRA A deciduous shrub with low spreading arched branches.  The small leaves are deeply incised and Acer-like, giving the plant a graceful crisscrossed look.  Autumn color is orange-red giving way to showy rich brown bark in winter.  Greenish white paniculate flowers resembling Spiraea are borne along the branches in early summer.  Plants occur at woodland margins throughout East Asia.  The occasional trimming of older branches at the base will keep a tidy appearance.

Stephanandra incisa 'Crispa'

1.5 - 3 ft.

3 - 4 ft.

white

may

Su-Sh

spreader

Stokesia laevis 'Blue Danube' STOKES ASTER Plant in well drained soil; does not tolerate wet soil in winter. Long-lived in sandy or light loam that is moderately fertile with average moisture. Fine plant for the front of the border. Dark green rosette of strap-shaped leaves, and large cornflower blooms with wide outer petals.

Stokesia laevis 'Blue Danube'

1 - 2 ft.

18 in.

lavender blue

summer

Su

clump

Stokesia laevis 'Klaus Jelitto'

1 - 2 ft.

18 in.

lavender blue

summer

Su

clump

Stokesia laevis 'Color Wheel'

18 - 24 in.

18 in.

wht. lav. purp.

summer

Su - pSh

clump

Stokesia laevis 'Honeysong Purple'

14 in.

18 in.

dp. purple red

summer

Su

clump

Stokesia laevis 'Omega Skyrocket'

3 - 4 ft.

18 in.

lavender blue

summer

Su

clump

Stokesia 'Purple Parasole's'

12 - 18 in.

18 in.

deep violet

summer

Su

clump

Stylophorum diphyllum CELANDINE POPPY Emerging in the spring, the robust bluish green leaves are 10-15 in. long and deeply cut into 5-7 lobed sections. Effective for sunny spring color, the 1 1/2-2 in. bright yellow flowers have 4 petals and many stamens. Makes a good ground cover in a shaded consistantly moist site where it will spread (mostly by seed) indefinitly. Foliage may disappear in dryer gardens. Native Americans once used the yellow sap contained in the stems as a dye.

Stylophorum diphyllum

12 - 18 in.

12 - 18 in.

yellow

spring

pSh-Sh

spreader

Syneilesis aconitifolia SHREDDED UMBRELLA PLANT An interesting collectors plant, grown more for foliage then flower.  The leaf emergence in spring is the most dramatic attribute.  The new foliage rises out of the soil covered in a white downy pubescence, shriveled, taking on the appearance of a morel mushroom.  As the long stalks extend the rich green leaves unfold and are circular with deep segments similar to a Hellebore or Aconitum, giving the plant a shredded umbrella look.  Being an asteraceae, flowers are true to the family being small, greenish white, forming about the inflorescence in late summer.  Plants are slow spreaders and in time can form a pleasantly sized colony.  Good for a sunny woodland garden with humus rich soil and good drainage.  Native to temperate areas in China, Japan and Korea.

Syneilesis aconitifolia

18 in.

18 - 24 in.

white

mid summer

pSh-Sh

slow spreader

Phone 845-735-2904

BILL KOLVEK PERENNIALS / P.O.Box 8525 Woodcliff Lake, NJ 07677 / FAX# 845-735-1157


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