Plant Reference Guide

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Reference Guide Contents

Perennials A1 |A2|B|C|D|E|F|G|H|Hosta|I|J|K|L|M|N|O|P|Q|R|S|T|U-V |W-Z

 Ferns | Grasses | Roses | Trees & Shrubs | Vines  | Edibles  | Annuals

Click on small images for larger views of plants.

 

Sagina subulata

 

Sagina subulata 'Aurea'

 

Salvia greggii 'Furman's Red'

 

Salvia lyrata 'Purple Knock Out'

 

Salvia nemerosa 'Blue Hill'

 

Salvia n. 'Caradonna'

 

Salvia n. 'Dwarf Blue Queen'

 

Salvia n. 'Marcus'

 

Salvia n. 'May Night'

 

Salvia n. 'Plumosa'

 

Salvia n. 'Sensation Rose'

 

Salvia n. 'Snow Hill'

 

Salvia n. 'Viola Klose'

 

Salvia pachyphylla

 

Salvia 'Rhapsody in Blue'

 

Sanguinaria canadensis

 

Saponaria ocymoides

 

Scabiosa 'Beajolais Bonnets'

 

Scabiosa 'Vivid Violet'

 

Scrophularia macrantha

 

Scutellaria 'Smoky Hills'

 

Sedum 'Autumn Joy'

 

Sedum 'Green Spruce'

 

Sedum kamtschaticum

 

Sedum pachycladus

 

Sedum represtre 'Angelina'

 

Sedum spurium 'Tricolor'

 

Sedum 'Vera Jameson'

 

Sempervivum

 

Seseli gummiferum

 

Sidalcea 'Party Girl'

 

Silene regia

 

Silene uniflora 'Druett's Variegated

 

Silene virginica

 

Silphium lacinatum

 

Sisyrinchium angustifolium 'Lucerne'

 

Sisyrinchium angustifolium 'Yellowstone'

 

Sphaeralcea 'Desert Sunset'

 

Spigelia

 

Spiranthes

 

Stachys grandiflora 'Superba'

 

Stachys 'Helen Von Stein'

 

Stachys monieri 'Hummelo'

 

Stokesia 'Honeysong Purple'

 

Stokesia 'Mary Gregory'

 

Stokesia 'Peachie's Pick'

 

Stokesia 'Purple Pixie'

 

Stylophorum diphyllum

 

SAGINA subulata ‘Aurea,’ Scotch Moss, Pearlwort.  Golden yellow foliage forms a dense carpet on this 2-4” unique, moss-like groundcover for shade.  Good between stepping stones.

 

SALVIA.  Sun; blooms in summer; remove spent flowers to encourage more blooms; valued for constant blooms summer through fall.

 

argentea, Silver Sage.  Very large, wooly, leaves form a showy rosette.  Flower stalks 2-4’, usually biennial.  Dramatic plant.  1997 Plant Select Winner.

 

azurea.  4-6' tall plants are topped with blue flowers in late summer and fall.  Can be pinched to keep short.  Missouri native.

azurea ‘September Snow.’  Rare white flowered native Pitcher Sage, 4-6’ tall with light ray stems and leaves.  Blooms in fall.  Cut back in July for shorter and more floriferous display.

 

bulleyna.  Yellow flowers are  marked with a brown signal.  Bright lettuce crinkled foliage.  Height 40”.

 

daghastanica ‘Platinum.’  Silver foliage is topped by bright blue flowers. Prefers well-drained soil. Full Sun.

 

forskaohlei.  Large almost woody ground covering clumps 2-3’ tall and wide.  Gray-green leaves set off stately heavy spikes of violet blue flowers from June until October. 

 

greggii ‘Furman’s Red.’  Crimson to scarlet flowers are produced in repeated flushes throughout summer and autumn on this hard selection of southwestern everblooming sage.  Woody perennial 24” tall and 14” wide.  Best cut back in spring.  Named a 2005 Plant Select for its outstanding qualities.

g. ‘Wild Thing.’  Aromatic mounds of dark semi-evergreen foliage are covered with flushes of hot pink flowers May-Oct.  20” tall, 24” wide.  Cut back to ground in spring.  Named a 2005 Plant Select for its outstanding qualities.

 

lycioides x greggi ‘Ultra Violet.’  Multitudes of lilac flowers begin in summer and continue until frost.  Loves a hot spot, and even does well in dry areas.  Rabbit and deer resistant.  Cut back in spring before new growth appears.  Grows 20”. 

 

lyrata. ‘Purple Knockout.’  wide foliage with bronze, purple and red tones.  Purple flowers on 16” stalks. 

l. ‘Purple Volcano.’  Purply-black, reddish leaves.  Flowers are insignificant.  Shade to part shade.  Grows to 20”.

nemerosa ‘Blue Hill.’  18"; true blue spikes; very heavy bud count and continuous bloom spring until a hard frost.  One of our most popular perennials.

n. ‘Caradonna.’  Long blooming with glowing purple stems and violet purple flowers.  30” tall, 24” wide.

n. ‘Marcus.’  Compact variety with deep purple blue flowers.  12”.

n. ‘May Night.’  18"; splendid deep purple flowers; compact  habit; outstanding cultivar; 1997 Perennial Plant of the Year.

n. ‘Merleau.’  Striking purple spikes on 10” plants.

n. ‘Nigrito.’  Spikes of dark violet purple flowers in crimson purple bracts appear in summer.  30".  

n. ‘Plumosa.’  18”; outstanding dense plumes of raspberry-red.

n. ‘Sensation Deep Blue.’  Spikes of deep-blue to purple flowers begin blooming late spring and don’t stop until fall.  Thrive in heat and humidity, making it a great plant for St. Louis weather. Height 12”.

 

pachyphylla, Giant Flowered Sage, Rose Sage.  Western, drought tolerant 3’ native with silver foliage and large blue flowers with reddish bracts all summer and fall. 

 

pratenis, ‘Madeline.’   Bicolor, blue-white flower.  Height 15”.

p. ‘Rhapsody in Blue’ Ballet Series.  Clump-forming perennial with wavy-edged oblong basal leaves and many sparsely-foliated stems carrying long racemes of purple-blue lipped flowers.  Fast growing and very floriferous.  24”.

p. ‘Rose Rhapsody’ Ballet Series.  Rose pink flowers massed on densely packed spikes create a rich and colorful display.  Flowers are produced well above the short, bushy mounds of foliage.  Reblooms reliably if cut back.  Grows 20” tall, 30” wide.

 

verticillata, ‘Endless Love.’  Lilac and blue-purple flowers.  Height 12”.

 

‘Dwarf Blue Queen.’  A great show of intense blue flowers. Bloom all summer long. Short habit makes this plant great for a blue addition to the front of a garden. Height 14”, spread 18-20”.

‘Eveline.’  Loads of two tone flowers of soft purple and pink all summer.  Can have 25-30 stems in bloom at once!  Fantastic.  24”.

‘Red Dwarf.’  Bright red flowers cover this compact plant all summer.  Idea for container gardening or in the front of a sunny boarder.  Height 16”.

‘Royal Crimson Distinction.’  Stately spikes of deep crimson pink stand tall over its foliage. Sun. 18-24”.

‘Sensation Rose.’  Multitudes of brilliant rose pink flowers appear in summer.  Compact plants grow 10-12”. 

‘Snow Hill.’  20”; dense pure white spike-like racemes May-Aug.

‘Schwellenburg.’  Purple rose flowers above dark green foliage.  20”.

‘Viola Klose.’  A recent European introduction with a tight, attractive, compact habit.  Dark blue flowers, May through August.  15-18”.

 

SANGUINARIA, Bloodroot.  Shade to partial shade; dormant in summer.

canadensis:  choice native woodland plant with waxy white flowers; interesting shaped leaves.

 

SANICULA caerulescens, Blue Sanicle.  A new genus for horticulture!  Unique blue, brush-like flowers stand over the divided bronze-green foliage.  This is a distant cousin to Cryptotaenia from China.  Found growing between Corydalis in the Panda preserve.  Compact habit and blooms for MONTHS.  Great in containers and in the border.  Shade to part shade.  6” tall.

 

SAPONARIA, Soapwort.  Sun; blooms late spring into summer; rampant, vigorous plant.

ocymoides ‘Max Frei.’  12"; bright pink flowers continually all summer on semi-evergreen leaves; good groundcover and useful in rock gardens.

pamphylica.  Showy and shapely pink flowers bloom in late summer on a blue-gray mat of foliage.  Great hanging over wall and as a ground cover. Tough and attractive.  Height 6-8”, spread 12-15”.

 

SARRACENIA, Pitcher Plant.  Sun; likes moist, boggy soil.

purpurea.  8-24”; a carnivorous plant with large, solitary, purplish-red flowers on a leafless stalk rising above a rosette of bronzy, reddish-green, hollow, inflated, curved leaves; flowers May-Aug.  A striking plant with lipped, pitcher-like leaves that collect water.  Organisms attracted to the colored lip have difficulty crawling upward because of the recurved hairs and eventually fall into the water and drown.  Enzymes secreted by the plant aid in the digestion of the insect but much of the breakdown is passive, a result of bacterial activity. Likes to grow in spagnum peat.  Trumpets are continually produced throughout the growing season; do not feed the plant bits of meat.  A collector’s item for carnivorous-plant lovers.

Hybrids.  Developed at the University of North Carolina, all have a dwarf, compact habit and freely form colorful pitchers.  Both varieties are hardy to our St. Louis zone 5, and prefer moist soil in full sun.

‘Doodlebug.’  Produces short, upright, green cobra shaped pitchers with prominent red veins around the yellow to white top of the pitcher.  Grows 6 to 8 inches tall.  

Redbug.’  Selected for it’s vigor and large number of pitchers.  Short, upright, red pitchers have deeper red veins and a wavy hood.  In more shade, the pitchers are green.  Grows 6 to 10 inches tall. 

 

SAURURUS cernuus, Lizard Tail.  Neat, green, cordate leaves with graceful white flowers.  Blooms most of summer.  Height12-24”, spread 12-15”.

 

SAXIIFRAGA ‘Mossy Species Mix,’ Rockfoil.  Sun to part shade, low growing, spreading plants of assorted colors. 

 

SCABIOSA, Pincushion Flower.  Sun; blooms July-Sept.; excellent cut flower; attracts butterflies and hummingbirds.

columbaria ‘Butterfly Blue.’  12"; excellent dwarf variety that produces many lacey blue cushion flowers spring to fall.  Breathtaking when planted as a ground cover.  Good for pots.  Designated a Missouri Botanical Garden ‘Plant of Merit’ for it’s outstanding qualities.

japonica ‘Ritz Blue.’  Puffy sky blue flowers top low mounds of foliage all summer.  Grows 6-8”.  Great in containers.

ochroleuca, Yellow Pincusion Flower.  Attractive, pale yellow to white flowers with long stems for cutting.  Reaches 24” tall and wide. 

‘Blue Buttons.’  Dainty sky blue flowers over 6” mounds.  Great for containers.

‘Beaujolais Bonnets.’  Light red petals surround the deep burgundy center with protruding white stamens.  Bloom from late spring through summer. Attracts butterflies. Height 24”, spread 12-15”.

‘Giant Blue.’  Immense 3” lavender blue flowers twice the size of other Pincushion Flowers are produced non stop all season.  24”.

‘Vivid Violet.’  Large, deep violet pincushions of flowers set atop low mound of mildew-resistant frilly foliage.  Very heavy flowering and will bloom continuously from late spring to frost.  Vigorous grower.  Grows 15” tall.

 

SCROPHULARIA macrantha, Little Red Birds.  Fascinating, bright cherry red flowers, shaped like birds, appear on panicles from July-Oct.  A rare native that is pollinated by Hummingbirds.  Grows to 30” and prefers full sun to part shade. 

 

SCUTELLARIA, Skull Cap.  Sun; flowers June through Sept.

alpina:  Violet flowers, spreading plant 6-12”.  Stems root down.  Glabrous to pubescent leaves.  Inflorescence is a crowded terminal four-angled raceme.

a. ‘Moonbeam.’  Out of Russia comes a lush, busy perennial with multitudes of clusters of light yellow blooms.  Trailing stems.  Prefers well drained site.  Blooms May-September.  10”.

ovata.  The foliage of this native beauty has a purple metallic appearance in spring.  Spikes of flowers appear in a cloud in early summer.  Prefers dry, gravelly part shade but will grow in any part to full shade.  Height 18”.

resinosa ‘Smoky Hills.’  Deep blue or purplish flowers tipped with small white patches bloom from May through July.  Grows in a rounded form reaching 12 inches tall and wide,  with grayish pubescent leaves.  A Great Plains native.

scoridifolia ‘Mongolian Skies.’  Bluish purple tubular hooded flowers on 4” mat that spreads by rhizomes.  Shining deep green leaves.  Prefers full sun and well drained soil.

 

SEDUM, Stonecrop.  Sun/part shade; blooms in late summer into fall; excellent groundcover for dry areas.  Rabbit resistant.

 

acreOutstanding low growing groundcover with yellow flowers.

cauticola ‘Lidakense’.  Compact mounds of blue-green foliage with starry pink flowers in late summer.

 

dasyphyllum.  Choice selection that forms 2” tall cushions with tiny delicate blue-gray foliage and light pink flowers.

d. ‘Himalayan Skies.’  More robust and showy than the species.  Tiny delicate, blue-gray foliage forms 2” cushion.  Light pink flowers in summer. 

d. var glanduliferum, Corsican Sedum.  Teeny-tiny leaves form 2” mats.  The environment can change the sky blue leaves to gray or lilac mauve. 

 

grisbachii.  Tiny plant with distinctive feature of translucent bump at end of each leaf.  Turns deep red in summer with loads of striking yellow flowers.  2” tall.

 

kamtschaticum, Pachysandra Sedum.  Resembles Pachysandra; excellent groundcover with yellow flowers and deep green scalloped leaves.

kamtschaticum ‘Variegatum.’  4-5” pale green leaves tinged with white and pink; orange-yellow flowers in June-July.

 

platycladusSucculent gray-blue leaves with fringed edges, pale yellow flowers.  4”.

 

rupestre ‘Angelina.’  Amazing, brilliant, golden apiculate (conifer shaped) leaves on trailing stems 6-8” high.  Yellow flowers in summer.  Leaves look just like a miniature spruce.  Excellent in hanging baskets, borders and rock gardens.  Orange fall color.  Found in Croation garden.  Grow in dry, well drained soil.  Award winning plant that won ‘Best New Introduction’.

 

selskianum ‘Variegata’.’ Chartreuse variegation brightens up this excellent 6” groundcover.

 

sieboldii ‘Mediovariegata.’   A jewel with striking white centered leaves.  Very colorful.  8”.  Very unusual. 

s. ‘October Daphne.’  An unusual little plant that has interesting bluish-green foliage during the growing season.  The plant bears pink flowers and the entire plant turns pink when exposed to cold weather in fall.  Fall blooming.  6”.

 

spathulifolium ‘Harvest Moon’.  Silver-white leaves, yellow flowers in summer, grows to 6”.

 

spectabile ‘Autumn Joy.’  15"; bronze flowers on flat flower clusters; can grow in sun or shade.

s. ‘Stardust.’  Best white-flowered tall sedum.  No babying needed.  Grows to 18”.

 

spurium ‘Bronze Carpet.’  Prostrate mats of bronzy foliage with bright rose-pink flowers in July and Aug.

s.  ‘Dragon's Blood.’  Brilliant red flowers; bronze foliage; excellent groundcover.

s. ‘Elizabeth.’  Dark red leaves all year, crimson-red flowers 3”.

s. ‘Fulda Glow,’ ‘Fuldaglut.’  Red foliage all year with red flowers in summer.  Many consider this one the best of the red groundcover Sedums.

s. ‘Red Carpet.’  Rose red blooms over sprawling, deep red, waxy foliage.

s. ‘Tricolor.’  Beautiful small-leaved red, white and green matting groundcover.  Great for the front of the border, rock gardens, and troughs.  Pink flowers in June.

s. ‘Voodoo.’   The darkest of the spuriums.  Low, deep mahogany red foliage. 

 

telephium ‘Bon Bon.’  Don’t let kids around this one, they might want to take a bite.  Chocolaty leaves are topped with dense clusters of pink flowers.  Blooms earlier than other Sedums, in summer.  16”.

‘Hab Gray.’  Smoky gray foliage is accented by rose-pink, arching stems.  Pink buds open to lemon-centered cream flowers.  Height 20”.

 

‘Autumn Charm.’  Grey-green leaves have a beautiful buttery-yellow serrated edge. In August, cream buds top the foliage and open up to light pink flowers followed by russet red seed pods. Seeds will feed birds in winter months. Height 14-18”, spread 18”.

‘Autumn Delight.’  Thick leaves have cream-gold centers surrounded by green margins.  Cloud-like clusters of dusty pink flowers.  Height 15”.

‘African Sunset.’  Dark purple bronze shiny foliage is topped with dark red flower heads that begin to appear in mid summer and continue in fall.  22”.

‘Black Jack.’  An outstanding new dark foliage sedum featuring very dark purplish-black foliage with a strong upright habit.  Wonderful large thick broad leaves and strong, stout stems.  Bright pink flowers emerge from darker buds on flower heads that average a very impressive 8” across.  Grows 24 tall and wide.

‘Blue Spruce.’  Small silvery blue leaves resemble spruce needles on this excellent low-growing groundcover.

‘Blade Runner.’  Multitudes of rich reddish purple flowers top remarkable toothed leaves.  Grows to 14”.

‘Jaws.’   Don’t let the plant bite!  Margins of leaves are uniquely cut.  Pink flowers.  15”.

‘John Creech.’  2”; excellent groundcover with pink flowers in summer.

‘Mr. Goodbud.’  Compact, upright growing forming a clump of neat leaves edge in purple.  Light cream colored buds open to reveal deep maroon-pink, large flowers that are held upright ,despite their size.  Grows 17” tall and wide. 

‘Picolette.’  Delightful small bronze red foliage that has a shiny silver sheen.  Many clusters of small pink flowers in late summer and fall.  Grows to 12”.

‘Sunset Cloud.’  Bright wine colored flowers bloom late in the season. Steel blue foliage makes an attractive statement any time of the season. Height 4-6”.

‘T Rex.’  Green leaves with sharply serrated edges.  Habit is tidy and compact all season.  Light rose pink flowers appear late summer to fall.  Height 24-28”.

‘Vera Jameson.’  Exciting hybrid with deep purple leaves, dusty pink flowers in fall.  12”.

‘Xenox.’  Small scalloped leaves emerge greenish-mauve in spring then darken to burgundy in summer.  2-3” wide clusters of red velvet buds open to rose flowers.  Rabbit resistant.

 

SEMPERVIVELLA alba.  Spreading clusters of small 1”, hairy, flat rosettes of succulent leaves spreading by threadlike stolons.  Carpeting mats are decorated with quite large creamy white stars all summer.  From the Himalyas, an essential for the trough, alpine, or rock garden and a delightful accent for Bonzai.

 

SEMPERVIVUM, Hen and Chicks.  Sun.

Assorted.   Will grow in a wide variety of soils; used in miniature gardens, in garden vases, for edging or in rock gardens.

monstrosum ‘Red Tips.’  Eye-catching specimen that is green marked with striking red on the very tips of the leaves.

‘Red Heart.’  Low, mat forming succulent with green foliage tipped red. Will reach 2 to 4 inches in height and is tolerant of most soils.

‘Red Rubin.’  Large burgundy leaves form rosesttes around emerging green centers.  Grow in average to dry soil, in full sun.

 

SENECIO (Packera aurea), Ragwort/Squawweed.  Shade/part shade; blooms early spring; good ground cover.  Tolerant of dry shade.

aureus12"; yellow flowers; excellent evergreen groundcover; native to Missouri; blooms in spring.

obovatus.  4”; loose umbels of yellow flowers are produced from April through June on 12” stems.  

 

SESELI gummiferum, Moon Carrot.  Out of ferny, fine textured, silver rosettes stems of pale pink umbels of flowers appear.  Flowers look something like a pink Queen Ann’s Lace.  The elegant plant rewards us in fall with bronzy pink colored foliage.  A biennial that reseeds easily.  Named a Plant Select for its outstanding qualities.  Grows 24-36”.

 

SIDALCEA, Prairie Mallow, Miniature Hollyhock.  Sun/part shade; blooms summer.

malviflora.  18-30”; single shell pink hollyhock like flowers on tall spikes; attractive rounded leaves; prefers rich well-drained soil.

‘Little Princess.’  Spikes of satiny pink flowers that resemble miniature Hollyhocks appear in summer.  Great compact mounds.  Cut back after first flowering for rebloom.  Grows 15”.

 

SILENE, Vesper Campion, Catchfly:  sun; blooms in summer

dorica ‘Cliffords Moore.’  Wonderful masses of long-blooming pink flowers; cascading bright variegated foliage; grows 18-24”.  Sun to part shade. 

dorica ‘Valley High.’  A vigorous variegated beauty with leaves with large green centers surrounded by cream to white margins.  Profuse rose pink flowers in spring.  Loves boggy soil and is easy to grow.  12-14”. 

maritime ‘Swan Lake,’ Double Robin White Breast.  Large pure white, fully double flowers borne freely on 3” prostrate plants.  Blooms throughout summer.  Great for trailing over a wall, containers or hanging baskets.

oregana, ‘Brilliant.’  Carmine red flowers bloom on slender, upright stems of hollyhock-like flowers.  Glossy green, shallow-lobed foliage.  Height 28”.

regia1’; very red, attractive flowers in summer; excellent hummingbird attractor; native.

regia ‘Prairie Fire.’  With larger  brilliant red flowers and foliage than the species, this is assumed to be a natural tetraploid (twice the chromosomes).  Grows 3-4’’ in sun.

virginica, Fire Pink.  Bright red flowers held above clean, dark green foliage.  This great little plant is native to the mountains of the East Coast and is happiest in full sun and well drained soil.  Afternoon shade or wood’s edge is better.  Short-lived, but seeds in freely.  12-15”.

‘Rockin Robin.’  Here’s an amazing hybrid of Silene regia (the wake robin, a favorite native wildflower).  Totally hardy and sterile.  The beautiful coral and cut flower petals lay close to the compact foliage and being sterile, the flowers seem to come out continually!  Thrives in heat and humidity.  Try in containers.  Needs good drainage.  12”.

‘Rolly’s Favorite.’  Wonderful bushy plants with soft-pink flowers with white centers.  Starts blooming in spring and continues all summer if cut back after initial flush.  Excellent container plant.  15”.  Sun to part shade.

 

SILPHIUM  laciniatum, Compass Plant.  Many sunny yellow flowers on erect 3-8' stalks bloom July through Aug.  One of the largest leafed plants of the prairie.  Selected as a 2003 Missouri Botanical Gardens Plant of Merit for its outstanding qualities.  Sun.

 

SISRINCHIUM, Blue Eyed Grass.  Sun/partial shade; grow in well drained soil.  Excellent for naturalizing or near the front of the perennial border.

angusifolium, Narrow Blue-Eyed Grass.  Clusters of small, starry steel-blue flowers with yellow eyes rise on branching stems over fans of narrow grassy foliage.  14”.

a. ‘Devon’s Skies.’  Grass like clumping plant is covered with dozens of large, sky-blue flowers for a long time in summer.  Deer resistant.  Tough plant that tolerates heat, humidity, poor soil and drought, but needs good drainage.  Grows 4”.

a. ‘Lucerne.’  Very grassy foliage topped off with an abundance of lavender-blue flowers that are much larger than the species. Blooms late spring until fall.  10-12”.

idahoense var. bellum ‘Pale Form.’  Clumps of narrow bladed foliage with branchi8ng stems are topped with clusters of pale blue-gray flowers.  Grows to 8”.

 

SOLIDAGO, Goldenrod.  Sun. 

cutleri ‘Goldrush’.’ A heavy flush of short golden wands heralds the coming of fall.  Short, compact plants with deep green foliage spread to 30” wide.  12”.

‘Golden Baby.’  Compact, reaching only 20 inches tall and wide. Topped from August through October with large spikes of yellow flowers.  Easy to grow in full sun to part shade in average soil.

‘Golden Fleece.’  Many wands of golden yellow flowers on compact heads in August.  Low growing, semievergreen plants make a good groundcover when massed.  Designated a Plant of Merit by the Missouri Botanical Gardens for its outstanding qualities.

‘Little Lemon’.  Blooms well into late summer.  Dense clusters of light lemon-yellow flowers rise above the foliage.  Medium green strappy foliage is set on an extremely well branched plant.  Dwarf, reaching only 8 to 10 inches tall and wide. 

‘Wichita Mountains.’  Outstanding award winner with tall rods of right gold in late summer.  23-30”.  Found in the Wichitas in SW Oklahoma. 

 

SOLIDASTER luteus.  2’ tall with dense heads of yellow daisies turning pale yellow from July-Sept.  Excellent cut.  Cross between goldenrod and white aster. 

 

SPHAERALCEA coccinea ‘Desert Sunset,’ Prairie Mallow.  A spectacular show of fragrant, sunset colors, pinks, rusty oranges, salmons, rusty reds, lilacs and violets on separate plants appear in summer and fall.  A charming, colorful, xeric western subshrub that grows 3-4’ tall.  Prefers full sun, and a dry site after establishment.  U.S. native.

 

SPIGELIA, Indian Pink.  Sun to part shade; wildflower of moist woods; wonder native that is easy to grow once established.

marilandica:  1-2’; narrow exotic tubular scarlet flowers June-August.

 

SPIRANTHES cernua var. odorata, Ladies Tresses OrchidPorcelain white 12” spires of sweetly scented flowers over 3-4” foliage on this native orchid.  Long lasting cut flower.  Damp organic soil and part shade preferred.

 

STACHYS, Lambs Ears/Betony.  Sun.

byzantia ‘Cotton Ball.’  Flowers resemble little white cotton balls. Flowers reach 9 inches high, above 6 inch foliage.  Grows 12 inches wide.

byzantina ‘Helene von Stein’, Big Ears.  3’; strong, vigorous excellent Stachys; large, wooly, serrated silver leaves create contrast in garden.  Selected as a ‘Plant of Merit’ by the Missouri Botanical Garden for its outstanding qualities.

coccinea ‘Chinook’.  Rich spikes of coral red flowers all summer on beautiful compact 1’ border plant.  Attractive soft green delicately veined foliage.  Drought and heat tolerant. 

coccinea ‘Pow Wow.’  Coral red flowers cluster on short stalks over neat triangular green leaves. Great bedding or border plant.  Grows to 12 inches tall and wide.

grandiflora ‘Superba.’  Spikes to 20” of purple-rose flowers.  Outstanding landscape plant.

monnieri ‘Hummelo.’  Rosette-like clumps of distinctive, heavily textured, glossy green foliage.  Stiff upright stalks topped with spikes of purple flowers.  Highly recommended. 

officinalis ‘Pink Cotton Candy.’  Plump wands of cotton candy pink flowers bloom in Summer. Foliage looks great all season long. Height 12-18”

o. ‘Rosea.’  Rosette-like clumps of long-ovate, heavily-textured, glossy green foliage with stiff upright stalks of thick whorls of pale pink flowers.

 

STOKESIA, Stokes Aster.  Sun; blooms July-frost; nice cut flower.

laevis ‘Elf.’ Lavender blue flowers bloom profusely through the summer. From mid summer through fall this plant packs a big punch of color. Very heat tolerant. Height 8”.

l. ‘Honeysong Purple.’  The darkest Stokesia to date.  The color is a true royal purple with a hint of red that deepens as the flower ages.  Contrasting white stamens and purple-tinged stems add to the appear.  The large 4” blooms have petals with pronounced serrated edges.  14”.

l. ‘Omega Skyrocket.’  3’ flower stalks bring outstanding blue flowers; excellent new introduction from Atlanta Botanical Garden.

‘Colorwheel.’  When blooms first open they are white, as the day progresses the white flowers turn lavender then turn a deep purple.  Plants can display flowers in all stages producing a unique effect.  A tough plant that does well in many different sites.

Mary Gregory.’  18”; distinctive soft yellow flowers over a long time in summer.

‘Peachie’s Pick.’  This plants blooms much longer than other Stokesias.  Blue asters are produced atop healthy deep green foliage.  18”.

 

STYLOPHORUM, Celandine Poppy:  shade/partial shade.  Blooms for a long time in spring and early summer.

diphyllum.  20"; 2" bright yellow cup-shaped flowers; spreads rapidly; native to Missouri.

 

SYMPHYTUM, Comfrey.  Part shade to shade.  Clump forming perennials with tubular, drooping flowers.  A very tough plant that will grow in dry shade.

g. ‘Hidcote Blue.’  Blue flowered selection to 12”.

g. ‘Sky-Blue-Pink.’  Pinky-red flower buds change to blue as they open, giving a multi-colored effect. 

 

 

Perennial Common Name Cross Reference Guide