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.

 

Delosperma 'Starburst'

 

Delphinium grandiflorum 'Summer Blues'

 

Delphinium grandiflorum 'Summer Nights'

 

Dianthus barbatus 'Heart Attack'

 

Dianthus deltoides 'Confetti Cherry Red'

 

Dianthus grat. 'Fire Witch'

 

Dianthus grat. 'Tiny Rubies'

 

Dianthus 'Black Cherry Wild'

 

Dianthus 'Coconut Punch'

 

Dianthus 'Siskin Clock'

 

Dianthus 'Pomegranate Kiss'

 

Dianthus 'Velvet n' Lace

 

Dicentra formosa 'Aurora'

 

Dicentra formosa 'Luxuriant'

 

Dicentra spectabilis

 

Dicentra spectabilis 'Gold Heart'

 

Dicentra 'Burning Hearts'

 

Dicentra 'King of Hearts'

 

Dictamnus albus

 

Digitalis mertonensis

 

Digitalis 'Pam's Choice'

 

Digitalis 'Camelot Rose'

 

Digitalis 'Candy Mountain'

 

Disporum 'Night Heron'

 

Dodecatheon 'Aphrodite'

 

Dracocephalum

DALEA purpurea, Purple Prairie Clover.  Missouri native with tiny purple flowers in 2” dense, cone-like heads on wiry stems.  A nitrogen-fixing plant that is helpful in establishing Midwestern prairie restorations.  Grows 1-3’ tall.  Sun. 

 

DARMERA, Umbrella Plant.  Shade to partial shade.

peltatum.   30”; clusters of lilac rose flowers; a large spreading plant with large rounded leaves up to 18” across.  Flowers before the foliage emerge. A great but coarse plant for along a streamside or for a boggy area; likes moist, organically rich soil.

p.  ‘Nana’ Dwarf variety of above plant.

 

DAUCUS, Queen Anne’s Lace.  Sun; native biennial.

carota var. carota.  Lacy leaves and attractive corymbs of 3-4’ white flowers in summer.

 

DELOSPERMA, Trailing Ice Plant.  Sun; hardy, low succulent groundcover.

congestum ‘Gold Nugget.’  A succulent groundcover with radiant yellow flowers.  Blooms from summer to early fall.  Compact evergreen foliage takes on purple tones in winter.  2-4”.  Drought tolerant plant that likes afternoon shade.

deleeuwiae.  Large lively bright magenta flowrs cover succulent foliage 6” high spreading 2’.

floribunda ‘Starburst.’  This clumping ice plant produces a dome of bright pink flowers with eye-catching white centers; the texture of the petals is shimmering, almost like metal.   Starts blooming in June and continues steadily until fall. 4” tall with a 10” spread.  1998 Plant Select Winner.

‘John Profitt’ or referred to as ‘Table Mountain.’  Lustrous, fuchsia flowers most of the summer.  A fast spreading 2” groundcover from Sough Africa.  In winter, the leaves remain turgid and green, often tinged with purple.  Very hardy.  Sun.  2002 Plant Select Winner

Kalaidis’ or referred to as Mess Verde.’  Iridescent, salmon-pink flowers sport appeared among plants of a dwarf, alpine form of D. cooperi at Denver Botanic Gardens in 1997.  Vigorous, compact and floriferous 2” plants bloom spring to fall.  Asexual propagation prohibited.  2002 Plant Select Winner.

‘Lavender Ice.Beautiful lavender flowers with a trim green foliage. Drought tolerant. Height 2-3” , spread 1-2’.

‘Peach Star.’  Large peach-pink flower with yellow centers tops charming succulent foliage that makes a great groundcover.  Also good cascading over and down stone walls, between stopping stones or in front of the border.

‘Red Mountain.’   Glowing red carpet of flowers span the growing season from April to September.  Grows to 2”.  Named a Plant Select for its outstanding qualities.

 

DELPHINIUM, Larkspur.  Sun to part shade, protect from hot afternoon sun.  Blooms May-July.  Cut back and tidy them up after blooming for a second go-around in September.

elatumCoral Sunset’ Large, full, conical spires of coral-orange flowers. Unique color in Delphiniums. Height 40”

e. ‘Guardian Blue.’  Heat tolerant variety with beautiful flower spikes of blue above bright green foliage.  Blooms early to midsummer.  Grows to 36 inches tall, spreads 12 inches.  Grow in full sun to part shade in slightly alkaline soil. 

exaltatumA blue-flowered Delphinium for bright to DEEP shade.  Spikes of spurred blue flowers top 3-6’ stems July to September.  Prefers average to rich soils, but is quite drought tolerant once established.  A welcome addition to the woodland edge or savannas.  Native to the woodland glades from Alabama to Pennsylvania.

grandiflorum 'Dwarf Blue Butterfly.’  14"; long blooming sky blue flower; heat tolerant.

g. ‘Blue Mirror.’  15”; navy blue flowers spring through fall.

g. ‘Summer Blues.’  1 1/2" sky blue flowers cover its lacy leaves. A shorter variety of delphinium, it is naturally compact with good branching. 'Summer Blues' has also shown better heat tolerance than other delphiniums and also has an earlier bloom time.  Grows to 10-12”.

g. ‘Summer Morning.’  Unlike the tall, spiky cultivars, this heat tolerant and dwarf variety forms a compact mound of lacy foliage topped with a multitude of light pink flowers.  Reaches only 10 - 12 inches tall.  Early blooming in early to late summer. 

g. ‘Summer Nights.’  Satiny midnight blue flowers put on a spectacular show from early summer to fall.  Super compact variety reaching only 10 to 12 inches tall and wide.  Demonstrated better heat tolerance than other cultivars.  Grow in full to part sun in a cooler part of the garden, in rich moist, well drained soil.

g. ‘Summer Stars.’  Larkspur. Very heat tolerant.  Clean white flowers top this compact cultivar in late spring and summer.  Great for containers.  Grows only 10 to 14 inches tall and wide.   Grow in full sun to part shade, preferably with some protection from the hot afternoon sun, in moist, well drained soil.  Deer resistant

tricorne, Three-Horned Larkspur, Spring Larkspur.  An open cluster of blue or violet spurred flowers is at the top of a simple, fleshy stem which has deeply cleft leaves near the bottom of the stem.  4-24”; blooms in spring; likes full shade; native.

‘Black Knight. 3’; dark midnight violet flowers in summer; very floriferous.

‘Magic Fountains. 24-26”; mixed colors, does not need staking.

 

DENDRANTHEMA, Hardy Mum.  Sun.

‘Cambodian Queen.’  Sweet pink flowers with yellow centers in late summer and fall.  18” tall and wide.

‘Cool Igloo.’  Rich cushiony raspberry flowers bloom in abundance. Bloom late summer.  Hardy in St. Louis!

‘Frosty Igloo.’  Cool white fluffy flowers bloom in late summer. Hardy in St. Louis!  Blooms late summer.

 

DIANTHUS, Carnation/Pinks.  Sun/partial shade; often fragrant; prefer well drained soil; remove fading flowers to encourage fresh new growth.

allwoodii ‘Alpinus Mix.’  6”; Non-stop double white flowers with small purple spots. Wonderful clove fragrance.

a. ‘Oakington.’  6”; double flowers of warm, deep rose.

 

barbatus ‘Heart Attack.’  Multitudes of brilliant black-red carnations begin in late spring and continue into summer.  The color show continues in fall when the foliage turns to a beautiful burgundy.  A good strong grower that just gets better every year!  An excellent cut flower.  12-18”.

b. ‘Black Adder.’  Dark crimson purple flowers top compact mounds of purple tinted foliage. 

 

deltoides ‘Arctic Fire. 6"; stunning white flowers with glowing red eye; dark green foliage; excellent groundcover.

d. ‘Confetti Cherry Red,’ Maiden Pinks.  Candy apple red blossoms are presented on clean stems great for cutting.  A big improvement over other varieties.  6”.

d. 'Zing Rose.’  6"; rose-red flowers cover dense green foliage.

d. ‘Zing Salmon.’   Salmon flowers cover dense green foliage.  6”.

 

gratianopolitanus ‘Fire Witch. Highly praised for its spicy-clove scented flowers which face upward for tremendous show.  Masses of electric magenta pink flowers top deep blue evergreen foliage.  Winner of the prestigious 2006 Perennial Plant of the Year award, and considered by many to be the finest Dianthus available; 8-10”. 

g. ‘Spotty.’   Low cushion of steel blue foliage covered with red and white bicolor flowers.  Needs good drainage.  6” tall, 12” wide.

g. 'Tiny Rubies,’ Cheddar Pinks.  4" double, rose-pink flower May-June; dense globe-shaped mound of deep green foliage.

‘Wicked Witch.’  Cherry red flowers and fine blue-green foliage.  Height 8-9”.

 

plumarius ‘Sweetness. Deliciously fragrant flowers in beautiful color range of red, pink or white.  6”.  Plant near walkways or doors as their wonderful scent will be enjoyed by all.

 

‘Arctic Star.’  Perpetual double white very fragrant flowers.  Beautiful shiny green foliage.  Grows 7”.  Sun.  Mounding foliage.

‘Black Cherry Wild.’  This deep velvety red, fragrant, double selection has a rounded flower form with a slightly serrated, narrow, white picotee edge. It is useful for adding a dramatic shot of red color in combination containers or at the edge of a landscape. 6”.

‘Coconut Punch.’  1.5 - 2" wide, fluffy looking, fragrant, double blossoms are intricately pattered in contrasting shades of red and white.  The grey-green foliage forms a grassy looking clump that is just the right size for the front of the flower border or in combination containers.  12”.

‘Coconut Surprise.’  Pristine white blossoms with deep  crimson centers appear for a long time in summer. 

‘Cranberry Ice.’  Luscious, fragrant pink flowers have a fuchsia-purple eye and wide picotee, pinked edged.  Grows to 12”. 

 

‘Eastern Star.  Velvety, large spicy scented red flowers with a definitive raisin red center and subtle wisps of soft pink along the edges.  Ornamental, blue-green foliage grows to 7”.

‘Fire Star.’  Vivid fire red flowers with deep crimson eye.  Evergreen to 8”

‘Heart’s Desire.’  Fizzy speckled pink petals kissed with bright lipstick red at the base and edges.  Compact mounds of glaucous leaves.  Height 8”.

‘Mountain Mist. Considered one of the best new Dianthus.  Lovely single pink, lightly fragrant flowers in late spring and early summer, then intermittently in fall.  Blue-green foliage that takes the summer heat and humidity well.

‘Neon Star.’  Florescent pink flowers, evergreen grows 7”.

Pixie Star. Perpetual double pink very fragrant flowers with deep central eye.  Beautiful shiny green foliage.  Grows 7”.  Sun.  Mounding foliage.

 

‘Pomegranate Kiss.’  This deep velvety red, fragrant, double selection has petals that are irregularly splashed and streaked with rose pink and have a matching sharply serrated, rose pink edge. The flowers lighten a bit in color as they age. They contrast superbly with the glaucous blue-green, grassy foliage. Use this short selection to line sunny pathways or in rock gardens. 6”.

‘Rosish One.’  Multi-layered flowers of velvety dark rose edged in white.  Begins blooming in spring and continues through summer into fall.  Silver-gray, mat forming foliage.

‘Sangria Splash.’  Intricately patterned, vibrant fuchsia colored flowers have a royal purple eye. These colorful, fragrant blooms sit atop a grassy clump of grey-green foliage. Height 12”, spread 12”.

‘Shooting Star.’  This plant has perfectly formed magenta-purple flowers with  blue-green foliage.  Compact plant that grows to 7”.

‘Scent First.’  Velvety double true red 3” blooms.  Blue-grey foliage.  Long blooming and strongly scented. Height 8-10”.

 

'Siskin Clock.’  Exquisite flowers are made up of light pink petals with a thick red border that are pierced with a white center.  Trim lightly after first flower to promote continuous, free growing habit.  It grows well in poor soil, and hot, sunny sites.  Grows to 7". 

‘Spangled Star.’  Exceptional new variety with very unique coloration.  Red petals feature pale pink serrated edges, pale pink blotches and a pale pink throat.  Profuse bloomer all season.  Compact, mounding foliage, 7” in height and spread.

‘Starlette.’  Puffy pink flowers with dark eyes and spicy scent appear in summer.

‘Tickled Pink.’  Deep lavender blossoms with a heady perfume appear all summer.  Perfect for the patio container or front of the border.  9”.

‘Velvet n’ Lace.’ Fragrant dark burgundy flowers with a white lacy edge.  Sun.  Height 12-18”.

 

DIASCIA integerrima ‘Coral Canyon,’  Twinspur.  Spikes of Pink blooms spring until frost top 15” plants.  Partial shade. 

 

DICENTRA, Bleeding Heart.  Shade/part shade; heart shaped blooms.  Excellent plants for the woodland or shade garden; many bloom spring until fall.  Ferny leaves contrast wonderfully with the larger leaves of Hosta and Bergenia.

cucullaria, Dutchman’s Breeches.  8”; racemes of nodding, 2-spurred white flowers look like miniature trousers hung out to dry; easy to grow and will spread; dormant in summer.

eximia ‘Boothman’s.’  12”; light pink flowers atop exceptional blue ferny foliage; the best foliage of any Dicentra.

e. ‘Snowdrift.’  Pure white, blossoms. Blooms late spring to early fall. Height 12-15”.

e. ‘Snowflakes.’  Excellent new long blooming variety.  12-18”.

formosa ‘Adrian Bloom.’  Crimson blossoms over deep green foliage.  Every-blooming.  Naturualizes well.  12-15”.

formosa ‘Aurora.’  White flowers; grayish foliage; very vigorous; excellent new variety considered the best white.

formosa 'Luxuriant,’ Fringed Bleeding Heart.  12-15"; cherry red flowers May till frost; blue-green foliage; tolerates more sun and summer heat than most varieties.

spectabilis, Old Fashioned Bleeding Heart:. 24-36"; arching stems of large pink hearts in spring; smooth ferny leaves; a real beauty; will go dormant in late summer.

spectabilis ‘Alba.  24-36"; similar to above but with white flowers; rare form.

s. ‘Gold Heart.’  A new twist to an old favorite.  Typical Bleeding Heart deep pink flowers atop lovely gold foliage, 24”.  Shade to part shade.

‘Burning Hearts.’  Red flowers bloom just above beautiful blue green foliage.  Flowers appear from mid spring until frost.  Great for shady boarders.  Height 10”.

‘Candy Hearts.’  Exceptional new hybrid with continuously blooming dark rose flowers over robust blue-green foliage.  12”.

Ivory Hearts.’  Exceptional new hybrid with continuously blooming white flowers over robust blue-green foliage.  12”.

‘King of Hearts.  Very lovely, finely cut soft grayish green foliage and rosy pink heart-shaped flowers create a soft, delicate display that doesn’t know when to stop blooming.  Flowers throughout the spring and summer.  A cross between D. peregrina from Japan and D. formosa subsp. oregana and D. eximia.  12-15”.

Red Fountain’ Red flowers with light pink frigned tips bloom April to September. Green-gray foliage. Height 12”

 

DICTAMNUS, Gas Plant.  Sun, fumes from flowers can ignite and some say this may be the ‘Burning Bush’ of Moses.  Once placed, it is best left undisturbed as it does not transplant well.

albus ‘Albiflorus.  Pure white flowers on showy racemes.  32”.

‘Purpureus.’  Excellent specimen or background plant in the perennial border.  Dark veined, pink flowers on showy racemes in late spring and early summer; 32”.  Elegant, glossy leaves give of a pleasant lemony scent. In hot weather seed pods emit a flammable oil which when ignited results in a brief vapor burn harmless to the plant.

 

DIGITALIS, Foxglove.  Sun/part shade; blooms June-July; dignified spikes of tubular flowers.  The biennial varieties self sow in the garden.

ambigua (D. grandiflora).  24"; yellow flowers marked with brown most of the summer.  Long lived plants.

a. ‘Carillon.’  Delightful, long blooming and long lived dwarf with pale yellow flowers.  12-15”.

lutea.  2-3’ soft yellow flower spikes in summer.  Perennial.

mertonensis.  3'; a hardy perennial with a color of crushed strawberries; cut back to encourage more blooms.

parviflora ‘Milk Chocolate.’  An excellent perennial Foxglove with spires of dense pale chocolate flowers.  Reminds you of an orchid in its flower shape.  Multitudes of milk-chocolate-red flower spikes are produced from June to Aug. on sturdy wind resistant stems.  Grows 24-30”.

purpurea2-4'; dark pink flowers; native; poisonous; biennial.

p. 'Alba. 2-4'; lovely white flowers; long blooming season; biennial; poisonous.

p. ‘Apricot Beauty. 36”; unique apricot-orange color.

p. 'Excelsior.’  36-48"; a blend of unusual colors; biennial.

p. 'Foxy':  2'; a magnificent array of mixed colors; biennial

p. ‘Pam’s Choice. White bells and maroon throats create a dazzling look.  Biennial.  36-48”.

p. ‘Snow Thimble.’   Huge 3” icy-white, pendulous bells hang on 40” stems. 

p. ‘Virtuoso Red.’  One of the most compact Foxgloves.  Showy flower spikes of rosy red bloom on sturdy stems.  Height 24-26”.

thapsi ‘Spanish Peaks. Spikes of raspberry-rose flowers in early summer rise over a trim mat of furry foliage.  This absolutely charming perennial is easy to grow in full sun, in well drained soil.  Reaches 12 inches tall and wide.

‘Camelot Cream.’  Creamy white bells with speckled throat appear in summer.  4’.

‘Camelot Lavender’.  Dripping lavender bells with blackberry spots appear on tall 40” spikes. 

‘Camelot Rose.’   A new hybrid with large, deep rose-pink flowers with burgundy spotting inside which are presented on broad, tall spikes.  Secondary flower spikes extend the bloom time.  Seedlings bloom first year.  3-4’.

‘Candy Mountain. The first seed foxglove to have upward facing flowers.  Rose pink blossoms with beautifully speckled throats are produced on very strong, strictly upright stems.  Forms large rosettes of downy, green leaves.  Reaches 3 – 4 ft tall.  Blooms in early summer.  Grow in full sun to part shade.  Deer and rabbit resistant.  Attracts hummingbirds.

‘Dalmation Purple.’  Deep lavender purple flowers. Flowers have spotted maroon throats. Strong growth habit and floridity. Height 2-3’.

‘Dalmation White.’  Bright white flowers with maroon throats.  Height 2-3’.

Goldcrest.’  Strong upright stems carry racemes of yellow-peach flowers with slight reddish markings.  The dark green, semi-evergreen leaves are smooth rather than fuzzy.  Blooms or a long period of time. Height 18”, spread 12”.

‘Spice Island.’   An evergreen foxglove that just doesn’t know when to stop blooming.  1” long, peachy yellow flowers lightly dusted with nutmeg are presented on numerous spikes which branch from the base, providing continuous color into fall.  Grows to 4’.

 

DIONAEA, Venus Fly Trap.  Sun.  Needs to be in a wet, boggy area.  This semi-evergreen carnivorous perennial makes a nice rosette to 12” wide, great for a bog or very wet site in full sun.  The trigger-happy fly traps form on the end of the leaves throughout the growing season.  Stalks of white flowers are produced in the summer.  Do not artificially feed the traps, as over feeding kills the plants…feeding them unruly small kids is okay!  Note:  all plants offered are grown from tissue culture.

 

DISPOROPSIS, Evergreen Solomon’s Seal.  Shade; rare.

pernyi ‘Bill Baker Form. This is the first in a flood of new discoveries emerging from China.  Graceful form and dark evergreen foliage are a super addition to the woodland garden.  Dangling white bells with black stripes in spring are a special bonus.  Perfect Hosta companion.  Can take DEEP shade.  Be adventurous!  Rarest form.

 

DISPORUM, Fairy Bells.  Shade to part shade. 

cantoniense ‘Night Heron,’ Cantonese Fairy Bells.  Striking, dark purple bamboo-like stems unfurl to reveal golden-tan papery bracts at each node.  White flowers are followed by masses of shiny black berries.  Makes a stunning 4-5’ tall evergreen clump.  Perfect back drop for other shade perennials, or where a bamboo or ornamental grass look is desired. 

flavens.  Elegant woodland perennial from Korea is considered by some as the best of the genus.  This rare gem forms clumps of lance-shaped leaves with yellow pendant flowers on 20” stems.  In fall, black berries top foliage.  Excellent plant for the shade garden.

sessile ‘Variegated. This wonderful perennial makes a stunning addition to the shaded woodland garden.  White edged ovate leaves reminiscent of small Solomons Seals provide the perfect background for the white bell-shaped flowers.  A nice colonizer to complement hostas and other shade loving perennials.  Very rare and unusual.  12”.

‘Green Giant.’  Evergreen plant has bamboo-like stems with flowers in summer and decorative berries in the fall and winter for year-round interest.  Height 12-40”.

 

DODECATHION, Shooting Star.  Shade/part shade; flowers in spring; prefers rich, moist soil;  petals are swept backwards like the flames of a comet.  Legend says they bloom wherever a star has fallen to earth.

jefferyi.  Loose umbels of purple-pink, reflex-petaled flowers on stiff, slightly sticky stems above small, clump-forming rosettes of long oval leaves.

media.  6-12”; color varies white/pink/purple; long basal leaves disappear in summer.

‘Album.’  Delicate white flowers rise from flat rosettes of foliage.  Flowered and dormant by May 1st!! Height 10-14”, spread 10-12”.

‘Aphrodite. Giant, robust plants with huge flowers, much larger than the species.  20”.

 

DORONICUM, Leopards Bane.  Sun to partial shade; blooms in spring.

‘Little Leo.’  12-15”; colorful, bright yellow daisy-like flowers beginning in early spring; long blooming season; good cut flower; may go dormant in mid-summer.

 

DRACOCEPHALUM, Dragonhead.

argunense ‘Fuji Blue.’  Spikes of brilliant blue flowers early June into August.  Needle-like leathery green foliage forms compact durable 1’ clumps.  Long-lived tough perennial.  Sun.

ruyschiana ‘Blue Dragon’.  The most intense purplish blue flowers you have ever seen.  A shrubby mound of narrow, bright green 18” foliage is covered in summer with spikes of 1” blue flowers.  Thrives in any well-drained sunny or lightly shaded sport and even tolerates drought.

 

DROSANTHEMUM hispidum, Hairy Dew Flower  Profuse deep pink flowers bloom continuously all season over dazzling, shimmering foliage.  Leaves and the stems are covered with tiny bumps that resemble dew drops or glassy beads that glitter in the sun.   Great for rock gardens as a boarder plant. Height 3-6”, spread 6-9”.

 

 

Perennial Common Name Cross Reference Guide