Plant Reference Guide

Perennials R

 
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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.

 

Ratibida columinfera 'Red'

 

Rodgersia p. 'Fireworks'

 

Rodgersia tabularis

 

Rudbeckia fulgida

 

Rudbeckia f. 'City Garden'

 

Rudbeckia f. 'Early Bird' Gold'

 

Rudbeckia f. 'Goldsturm'

 

Rudbeckia hirta 'Cheokee Sunset'

 

Rudbeckia hirta 'Indian Summer'

 

Rudbeckia hirta 'Maya'

 

Rudbeckia missouriensis

 

Rudbeckia nitida Herbstonne

 

Rudbeckia subtomentosa

 

Rudbeckia subtomentosa 'Henry Eilers'

 

Ruellia humulis

 

Rumux sanguineus

 

RANUNCULUS, Buttercup, Crowfloot.

aconitifolius ‘Pleniflorus’  Small, double , pure white flowers bloom over dark green foliage. Makes a delightful groundcover. Height 12-18”

 

RATIBIDA, Mexican Hat, Yellow Coneflower.  Sun; summer flowering.

pinnata.  Gray cone-shaped center that resembles the crown of a hat, is surrounded by drooping bright yellow ray flowers; 3-5’ tall. Native that is excellent in wildflower meadows.

 

RODGERSIA, also known as Astilboides tabulares, Rodger’s Flower.  Part shade; blooms summer; prefers a moist site; wonderful cut flower.

aesculifolia. 2'; many tiny white flowers; large 4-10" horse-chestnut-like leaves.

pinnata ‘Elegans.’  Soft pinkish creamy plumes bloom atop dark green foliage. Great plant for the shady landscape. Height 34”.

Fireworks.’  Wonderful combination of foliage and flower.  Large, 10" spikes hold deep pink flowers over dark green foliage with red edges.

‘Superba.’  Bright pink flowers and bronze-tinged foliage.  Height 40”.

tabularis.  Huge, bright green leaves that can measure in excess of 24” across; the effect in the garden is dramatic, for there simply is no bolder foliage to be found among hardy perennials; creamy white plumes appear in summer; grows 3’ tall and 3-4’ wide.

 

ROSEMARINUS officionalis, ‘Madeline Hill.’  A HARDY ROSEMARY!!!!  Hardy to zone 5.  Robust with Wedgewood blue flowers.  Reaches 3 feet tall and wide.  Perfect for the year-round kitchen garden.  Grow in full sun, in well drained soil.  Shape lightly in spring.  Deer and rabbit resistant.

 

RUDBECKIA, Black Eyed Susan.  Sun; blooms mid-summer into fall; drought tolerant.

fulgida var. fulgida.  Shiny deep green foliage. Smaller and finer than other Rudbeckias but much longer blooming from mid July-October. Average to dry soil.

f. ‘City Garden.’  At only 12” tall perfect for small gardens or containers.  Bright golden flowers begin in summer and continue into fall. 

f. ‘Early Bird Gold.’  A genetic breakthrough.  This Black Eyed Susan has the incredible advantage of being day length neutral--not dependent on day length to induce flowering like other Rudbeckia.  Which means that is starts blooming much earlier, consistently two months earlier, and will continue to bloom two months longer as well, for a unbelievable 5 months.  Grows 24”.

f. ‘Goldsturm.’  24"; large deep yellow flowers, bronzy black cone center; superior variety. 1999 Perennial Plant of the Year.

 

hirta ‘Autumn Colors.’  Beautiful, new, bi-colored! Black Eyed Susans bear 5", single flowers on 2’ tall plants. Glorious shades of red, gold, orange & rust combine to make different combinations in each plant. Easy, great cut flower & attracts butterflies. Rich soil is best.

h. ‘Cherry Brandy.’  Blood-red flowers bloom all summer long. Makes great cut flowers and are dramatic in arrangements. Drought-resistant, long-blooming and survives in poor soils. Height 20-24”.

h. ‘Cherokee Sunset’.’ Award winner!  Outstanding blend of golden yellow, orange, bronze and mahogany shades on double to semi-double 4” flowers.  24”.

h. ‘Goldilocks.’ Souble and semidouble, bright yellow, long-lasting blossoms. 10”.

h. ‘Tetraploid.’   Huge, double gold flowers produced in profusion all summer on 2-3’ plants. All American Selection Winner. Frequently short-lived, but outstanding.

h. ‘Chim Chiminee.’  One of a kind double golden yellow flowers with dark copper streaks.  30-32”.

h. ‘Maya.’  A groundbreaking new variety with double-flowers!  Huge 4-5” golden yellow flowers cover compact plant.  Its outstanding garden performance has earned it many awards.  Perfect for garden and containers.  Grows 18-24”.

h. ‘Prairie Sun.’  Award winner.  Striking 5” light green-eyed flowers whose golden yellow petals are tipped primrose yellow.  3’. 

h. ‘Radiance.’  Double, ball shaped, golden blooms with unique tubular, needle shaped petals.  Grows 18” tall and wide.  Easy to grow in full sun in average soil.  Named ‘Best New Variety’ for 2008 in the Ball Seed Colorado State University field trials!

 

laciniata ‘Goldquelle.’  Brighten up the sun garden with brassy yell double flowers that grow to 3’.

maxima, Giant Coneflower.  Yellow drooping pets surround a brown cylindrical cone. Bold, blue-green leaves are attractive even before the plant flowers. An excellent specimen plant.

 

missouriensis, Missouri Black-Eyed Susan.  Large flowered bouquets of bright yellow flowers to 18” above 12” foliage mound of fuzzy leaves and stems. Prefers dry, well-drained soils. Native.

 

nitida ‘Herbstsonne’ (‘Autumn Sun’), Shining Coneflower. 4-5'; flowers are drooping bright

yellow petals with green central disc; spectacular for fall displays; stake.

 

occidentalis ‘Black Beauty.’  The flowers of this unusual Rudbeckia take the form of large black cones ringed with tiny yellow petals. Each sits in a cup of green bracts, set on a sturdy, upright stem. Toothed-edged ovate-elliptic foliage. 50”.

 

subbtomentosa, Sweet Coneflower.  3-4’; yellow flowers with very dark purple centers; tolerates considerable shade; forms large clumps; long lived native.

 

triloba.  Hundreds of small deep gold flowers from midsummer to fall. Tolerant of moist and dry soils. A naturalizing self-seeder. biennial or short lived perennial. Found in rocky woods and old fields. Sun.

 

‘Denver Daisy.’  2009 Plant Select. Striking, dark eyed, long-rayed, golden daisy hybridized by Benary from native Rudbeckia hirta. This showy plant commemorates the 150th Anniversary of the founding of Denver.

 

‘Indian Summer.’  1995 All American Selection Winner as the largest-flowered gloriosa daisy can grow; enormous 6-9” flower heads on sturdy 3-3 ½’ pants; will reseed. Designated Missouri Botanical Garden ‘Plant of Merit’ for its outstanding qualities.

‘Toto Lemon.’  A softer yellow, more buttery in color with a rich brown eye.  Great for containers.  12”.

‘Viette’s Little Suzy.’ 12-14”; excellent new dwarf with golden yellow flowers July-Oct.

 

RUELLIA, Wild Petunia. Sun/part shade.

humilis.  Lavender flowered 1-2’ native; long bloom season; excellent plant.

 

RUMEX, Bloody Dock, Sorrel.  Sun to part shade.

sanguineus ssp sanguineus.  Long narrow green leaves with blood red veining. Grown for it’s beautiful leaves. Small flowers in terminal panicles July-August. 12”.

 

Perennial Common Name Cross Reference Guide