Notes
Slide Show
Outline
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Jimmy Turner
Director
of
Horticulture Research
& Design
  • Background
  • Job Duties
    • Plant Trials
    • Collections
    • Garden Design
    • Purchase plants
    • Special projects
    • Development
    • Industry liason
    • Garden Writer
  • Ok… I get paid to kill plants and talk about them!
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What we’re
fix’in to do
  • Questions & HO’s…
  • Quick intro of
    • Me
    • Dallas Arboretum
    • My climate
  • Plant information
    • Annuals
    • Foliage Annuals
    • Perennials
    • Un-New-Usual’s
  • 150 slides..
  • So buckle your seat belts!
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The Dallas Arboretum
  • City owned, but operated by a non-profit “The Dallas Arboretum & Botanical Society”
  • 25 years old
  • Arboretum? Nah! really a Display Garden


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By the Numbers
  • 66 acres tended by 20 horticulturists
  • 7 major gardens & 5 smaller
  • 2 historic estates
  • 500,000 spring bulbs
  • 300,000 pansies/violas
  • 350,000 summer color
  • 20,000 fall mums
  • Azaleas…..
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Other Numbers
  • 385,000 visitors per year
  • 14,000 members
  • 60,600 hours donated by 700 volunteers
  • 23,400 concert goer’s
  • 55,000 school children
  • 400+ weddings


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Pumpkin Pie DABS style!
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Pumpkin Soup
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Pumpkin House
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What’s the most asked question???
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Dallas Arboretum
Plant Trials
  • Data on 3000 + plants per year
  • Annuals
  • Perennial
  • All America Selection
  • Bulb Trials
  • Woody Collections
  • Conjunct Trials with A&M University


  • www.dallasplanttrials.org


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Why Trial Plants in Dallas?
  • Zone 7 to 8a (TX 5-10)
  • Heat (90 days over 100 this year!)
  • Soil (Clay & pH)
  • Rainfall (?)
  • Temp swings!
  • Night temp!
  • Humidity +/-
  • Length of season (240)
  • Sun (140)
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Texas Snow!
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AWARDS
  • Arboretum Approved
  • North Texas Winners Circle



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Ageratum
‘Artist’ series
  • Proven Winners
  • I too was skeptical
  • Blue & Purple
  • New Rose
  • Vegetative prop.
  • Others scored higher, but this one lived longer!
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Angelonia
‘Serena’ Series
  • PanAmerican
  • Seed grown
  • Compact
  • Doesn’t cycle
  • Heavy flowering
  • ‘Serena White’ !!! Absolute best Angelonia!


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Arctotis
‘Lemon Drop’
  • Ball Floraplant
  • Not the showiest, but it survives
  • Yellow daisies up through summer
  • Thick foliage
  • Spread to 12” mounds?


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Begonia
Stara
  • Green Leaf
  • 5 colors
  • FULL SUN
  • All season
  • No leaf burn
  • 4”?
  • 2ft.
  • BLOOMS!!!
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Cuphea
‘Flamenco’ series
Samba
Rumba & Tango
  • Proven Winners
  • Annual-Veg.
  • Full Sun
  • Heavy flowering
  • Compact habit
  • Better branching
  • Large up-facing flowers
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Euphorbia
‘Diamond Frost’
  • Annual-Veg.
  • Proven Winners
  • Heat & Humidity no problems!
  • Full sun!
  • Fine textured
  • Not showy alone
  • Think of it as ‘Baby’s Breath’ for the South!!!
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Helenium amarum ‘Dakota Gold’
  • Ball Seed
  • Annual-Seed
  • Texas native
  • Full sun
  • Mounding
  • Gold flowers all summer
  • Tough
  • Yes, it really is Bitterweed!
  • Best New Introduction 2005!
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Sun-patiens from Sakata
  • ?
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Laurentia
‘Starshine’
  • S&G Flowers
  • Annual-(well….)
  • Sun
  • Ok, not really sure what it is but it flowers and flowers and flowers
  • 1” blue star like flowers on spreading green mats
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Marigold
Zenith & Sunburst
  • Annual
  • Best marigold I’ve tested
  • Large plant (3ft.)
  • Sterile
  • Spreading
  • Constant blooming
  • Vigorous
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Nicotiana
alata
  • Original species
  • Still the best for the south
  • SCENTED!
  • Reseeds
  • Not N. sylvestris
  • Flowers all summer
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Pachystachys lutea
Lemon Lollipop
  • Annual
  • Best plant ever for shade
  • Why don’t I see it ever where?


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Porphyrocoma ‘Maracas’
Brazilian Fireworks
  • Ball
  • Annual-Seed
  • SHADE
  • Got shade? Deep shade? Well this one loves it.  The flowers are awesome, but the foliage makes it a worthy garden addition alone!
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Pentapetes phoenicia
Copper Cups
  • Seed grown annual
  • Underused
  • Wet or dry
  • Flowers all summer
  • Sell it in 3 gal. containers
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Portulaca
grandiflora
‘Samba’
  • Annual-Veg.
  • Sun
  • Large growing plants that are underused
  • Huge flowers in the worst heat!
  • Why has this plant been forgotten?
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Salvia
‘Mystic Spires Blue’
  • Ball Floraplant
  • Annual/Perennial-Veg.
  • Basically dwarf form of Indigo Spires
  • Perfect as annual or use as perennial
  • Best blue salvia I’ve tested!!!!
  • Best new introduction 2006
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Scaevola
Carissa’s Secret
  • Proven Winners
  • Annual-Veg.
  • Full sun
  • Compact mounding rather than spreading. Flowers held at tip of foliage. Wonderful for containers.
  • Beat the pants off NBW
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Torenia
‘Golden Moon’
  • Danziger
  • Annual-Veg
  • Sun or Shade
  • Great new color.  Bright yellow with lavender/purple back
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Wedelia trilobata
Yellow Dots or Creeping Daisy
  • Texas Native
  • Annual
  • Roots like a weed
  • 12 ft. in a year
  • Heat? No problem
  • Full sun
  • Will grow on concrete!
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FOLIAGE
ANNUALS
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Acalypha ‘Inferno’
  • Annual
  • Full Sun
  • All season color
  • More compact and bushy than others
  • Excellent in small containers
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Acalypha
‘Ceylon’
  • Copperplant
  • Upright to 9 ft.
  • Doesn’t need staking
  • Great cut foliage
  • Likes it hot!
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Alternanthera
White Variegated
  • Annual
  • Sun or Shade
  • Fast growing
  • Like it much better than ‘Crème de Menthe’


  • TOUGH!


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Caladium humboldtii
  • Mini Caladium
  • 6” tall
  • Multiple leaves per bulb
  • Incredible in containers
  • Great mixed with Hosta


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Caladium
‘Moonlight’
  • Whitest caladium
  • Deep shade
  • Keep hot and wet
  • Xmas lights…
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Gossypium nigrum
Black Cotton
  • Deep purple/black foliage
  • Pink hibiscus like flowers
  • Sun!
  • Heat
  • Cotton!
  • Boll Weevils
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Draceana
Lemon Lime
  • Punch up deep shade
  • Add to groundcover
  • Save it
  • Fast growing
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Duranta
‘Gold Edge’
  • Foliage annual
  • Full sun or light shade
  • Incredibly bright yellow variegation
  • Seldom flowers
  • Great in containers or mixed with blue or orange
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Eranthemum
nigrum
‘Ebony’
  • Proven Winners
  • The hotter and more humid the better
  • Not showy alone
  • Mix with other colors for best effect
  • White flowers
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Hibiscus acetosella
‘Maple Sugar’
  • Proven Winners
  • Annual to 5 ft.
  • Dark burgundy foliage all summer doesn’t fade
  • Prune if it gets too large
  • Flowers more than typical species
  • Loves the heat!
  • Full sun
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Hibiscus acetosella ‘Haight Ashebury’
  • Proven Winners
  • Annual
  • Foliage is sprinkled with pale pink
  • 4-5 ft. tall
  • Containers or as backing color beds
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Hibiscus tiliaceus ‘Tricolor’
  • Sea Hibiscus
  • Annual
  • Fast growing
  • Unique tricolor foliage
  • Few pests
  • No flowers
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Pepper
‘Black Pearl’
  • Ball Seed
  • AAS Winner
  • Great foliage and fruit
  • Wonderful cut flower
  • 3 ft. tall
  • Full sun and will tolerate light shade!
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Torenia
White Moon
  • Sun or Shade
  • Baskets?
  • Bright white in 104 degrees
  • Like it best mixed with something
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Pepper
NuMex Twilight
  • Like Xmas Lights from hell!
  • Heat
  • Sun or light shade
  • Spreading habit
  • Great branching
  • Containers!
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Pepper
Tri-Fetti
  • Pass Along now available everywhere
  • Bright white, lavender and black
  • Fast growing
  • Wide plants
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Pseuderanthemum atropupureum
Purple Shooting Star
  • Annual
  • 3 ft. tall
  • Incredible dark burgundy foliage
  • Star shaped pink flowers in fall
  • “Pleather”
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Plectranthus ‘Sasha’
  • Or ‘Zulu’ or ‘Kelly’s Gold’
  • Great in shade
  • Mix with salmon impatiens
  • Drought tolerant!!!
  • Really a variegated “Swedish Ivy”


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Manihot esculenta
Variegated Tapioca
  • It just doesn’t get better!
  • Temporary hedge
  • Super fast growing
  • Prune if it gets too tall
  • Propagate?
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PERENNIALS
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Anthemis
Suzanna Mitchell
  • Blooms of Bressingham
  • Perennial to 6
  • Yellow white daisies
  • Feathery grey foliage
  • Long blooming season
  • Drought tolerant
  • Full sun
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Asarum splendens
Chinese Wild Ginger
  • Evergreen in zone 7
  • Deep to light shade
  • Spreads
  • Great groundcover
  • Drought & heat tolerant


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Aster oblongifolius
Autumn Aster
  • Perennial Zone 6
  • Texas native
  • Full sun
  • Drought tolerant
  • Fall blooming
  • Prune in summer
  • Great in mass
  • No Powdery Mildew!
  • 4 ft. x 3 ft
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Begonia cucullata
Hardy Wax Begonia
  • Hardy zone 7?? Maybe 6
  • Reseeds
  • Grows!!!
  • White flowers
  • Deep shade or full sun
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Barleria cristata
Philippine Violet
  • Perennial to zone 7
  • Fall blooming perennial
  • There are white, pink, and variegated forms
  • Full sun to partial shade
  • Foliage is leathery
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Calyophus ‘Southern Belle’
  • Proven Winners
  • Perennial
  • Full Sun
  • Yellow flowers from May to July
  • Thick carpet of foliage
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Calamintha
nepeta var. nepeta
Lesser Calamint
  • Plant Delights
  • Perennial
  • Full sun
  • Flowers from June to October
  • Clouds of pale blue (look white) flowers
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Cuphea micropetala
Candy Corn Cuphea
  • Hardy zone7b
  • 3 to 5 ft.
  • Fall flowering
  • Drought tolerant
  • Full sun
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Dianella tasmanica
  • No burn in full sun
  • Deciduous
  • Perennial to 10°
  • More hardy than yellow form
  • Sun or shade
  • Blue fruit
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Dianthus japonicus
  • Funky
  • Glossy waxed leaves
  • Biennial to annual
  • Reseeds
  • Blooms from August to November
  • Drought tolerant
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Echinacea
Double Delight
  • Most floriferous I’ve ever trials
  • Fragrant
  • Fast growing
  • Pale foliage
  • Upright stems


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Eupatorium greggii
Greg's Eupatorium
  • Texas native
  • 18” X 3’
  • Blue flowers
  • Full sun
  • Drought resistant
  • Butterflies
  • Flowers all summer
  • SPREADS!!!
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Euphorbia
‘Efanthia’
  • Proven Winners
  • Perennial
  • Red & Green foliage
  • Winter hardy
  • Evergreen
  • Needs drainage
  • Try it in winter containers.
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Euphorbia ‘Helena’
  • Proven Winners
  • Great in containers
  • Full sun
  • Needs perfect drainage
  • Foliage gets bronzer in winter
  • Chartreuse flowers
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Gaillardia aestivalis
  • Texas native
  • Perennial
  • Full Sun
  • Drought tolerant
  • Spreading
  • Purple, pink, white or bi-color
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Gaura
‘Geyser’ series
  • Syngenta
  • Only gaura I like!
  • Heavy flowering
  • Compact
  • Doesn’t go “weedy”


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Hibiscus
‘Fantasia’
  • Fleming Bros.
  • Perennial-Veg.
  • Large flowers with deep plum bluish flowers
  • Heavy branching
  • Great group of hibiscus!!!!
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Hibiscus coccineus
Texas Star
  • Texas native
  • Hardy
  • Sun
  • Wet soil ok
  • More fertilizer the bigger and more flowers


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Kostelezkya virginica
Salt Marsh Mallow
  • Plant Delights
  • Perennial
  • Full sun
  • Pink mini-hibiscus flowers (2”) all summer on upright plants to 4ft.


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Ipomoea fistulosa
Morning Glory Bush
Dwarf
  • Hardy to zone 6
  • 4-5 ft. tall only
  • Comes true from seed
  • White & Pink forms
  • Texas A&M


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Leonotis leonurus
Lion’s Ear
  • Full sun
  • 4 ft tall
  • Orange flowers in late fall
  • Try it mixed with Aster oblongifolius
  • Drought tolerant
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Malvaviscus drummondii
‘Fiesta’
‘Pam Puryear’
  • Turk’s Cap
  • Variegated form
  • Pink flowered
  • White flowered form
  • & ‘Big Mama!’
  • New one’s coming
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Monarda
bartlettii x fistulosa
‘Peter’s Purple’
  • Perennial
  • 6 ft. tall
  • No staking
  • Mildew resistant
  • Long blooming season
  • Vibrant purple color
  • Not overly invasive
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Muhlenbergia lindheimeri
  • Texas native grass
  • Hardy to zone 7
  • Drought? Not problem.
  • Upright
  • 5 ft x 5 ft.
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Pavonia
hasata or brasiliensis
  • Perennial
  • Full Sun
  • Hardy zone 6
  • Tough
  • Flowers constantly
  • Hedge if leggy


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Pavonia lasiopetala
Rock Rose
  • Rose pink flowers all summer
  • Drought tolerant
  • Full Sun
  • Shear frequently
  • 4 ft. x 4 ft.
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Phlox paniculata 'John Fanick'
Summer Phlox
  • Greg Grant
  • Unknown outside Texas
  • Most disease resistant I’ve ever tried!
  • Stays short, doesn’t need staking
  • Beautiful two tone pink flowers
  • Long flowering season


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Salvia farinacea
‘Henry & Augusta Duelberg’
  • Greg Grant
  • Perennial
  • 4 ft. tall
  • Taller with bluer and more floriferous flowers and larger greener leaves than modern cultivars.
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Salvia oresbia
  • Full sun
  • Bright pure red flowers
  • Drought resistant
  • Fast growing
  • 3 ft. tall by 4 ft. wide
  • Flowers all summer
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Setcreasea pallida
‘Variegated
  • Ok, so it’s a little over the top
  • Great in containers
  • Hardy in zone 7
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Tagetes lucida
Mexican Mint Marigold
  • Perennial
  • Full Sun
  • You can eat it! Try it with Chicken
  • Tarragon substitute
  • Flowers in fall
  • 2 1/2 ft. tall
  • I prune midsummer to keep shorter
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Tradescantia sillamontana
  • Perennial
  • Fuzzy leaves
  • Pink flowers
  • Full sun to light shade
  • 12” tall
  • Spreads
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Zexmenia hispida
  • Texas native
  • Golden daisies all summer
  • 2 ft. x 4 ft.
  • Drought tolerant
  • Full sun
  • Semi-Shrub
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Un-“New”-Usuals
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Agave ovatifolia
Whale’s Tongue
  • Hardy zone 7
  • New Agave to trade!
  • Extremely striking
  • Fast growing
  • Large!
  • No pups
  • Steely blue and grey
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Agave bracteosa
Octupus Agave
  • Perennial zone 6
  • Sun or Shade
  • Container plant par-excellent!
  • No spines
  • Drought tolerant
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Alocasia m.
‘Jungle Gold’
  • Guaranteed to brighten up shade
  • Incredible in containers!
  • How to store through winter?
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Some other
Elephant Ears
  • A. Borneo Giant
  • A. Calidora
  • A. New Guinea Gold
  • A. Robusta
  • A. Sarian
  • A. Williams
  • A. Green Shield
  • A. Portei
  • A. Plumbae Nigra
  • A. macrorhiza






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Althaea rosea
‘Satin’ & ‘Chiffon’  series
  • Best I’ve ever trialed!
  • Self cleaning
  • Flowers don’t “ball”
  • Shear heavily yearly?
  • Grow like a perennial
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Albizia julibrissin
‘Summer Chocolate’
  • Hines Nursery
  • It’s the Deluxe White Trash Plant!
  • Really is a Mimosa
  • Burgundy foliage in full sun
  • Hot pink flowers
  • Full sun
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Musa velutina
Pink Velvet
  • Flowering banana not a drink!
  • Gets 5 ft. tall
  • Hardy to zone 7
  • Pink bananas peel themselves when ripe
  • Full of seeds!
  • From seed to flower in one year!
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Banana
‘Bordelon’
  • Agri-Starts
  • Perennial
  • Full sun
  • Flowers!!!
  • Burgundy foliage
  • Doesn’t tatter as bad as other varieties
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Banana
‘Little Prince’
  • Dwarf banana
  • 3ft.  Less in containers
  • Hardiness?
  • Thick trunks & foliage
  • How to save…


  • And one for Troy….
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Begonia
withlacoochee
  • Shade Tropical
  • Burgundy and grey/green foliage
  • White flowers constantly
  • 3 to 4 ft. trailing habit


  • Picture from Tennessee…



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Celtis orientalis ‘Weeping’
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Cordyline
Ti Plant
  • Got Shade? Or sun
  • Need color?
  • Great for containers
  • Loves it hot & humid
  • ‘Miss Andrea’
  • ‘Plantation’
  • ‘King Arthur’
  • ‘Ruby’
  • ‘Wily’s Gold’





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Ctenanthe lubbesiana ‘Tropical Dragon’
  • Tropical
  • 3 ft. tall
  • Takes deep shade and always looks good
  • Grows very fast
  • Easy to propagate
  • Cheap
  • Mix with yellow coleus and Pachystachys lutea
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Cestrum parqui
&
‘Orange Peel’
  • Willow Leaved Jessamine
  • Hardy to zone 7
  • Makes great annual container plant
  • Flowers all summer
  • Slight fragrance
  • Pest free
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Erythrina
x bidwellii
  • Perennial 7 or 8
  • Fast growing
  • Huge red flowers 3 ft.
  • Dies to the ground
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Freesia laxa
  • Or sold as Lapeirlousia laxa or Anomatheca
  • Fast growing
  • Flowers April-May
  • Perennial!
  • Dry Soil
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Freesia laxa ‘alba’
  • Or sold as Lapeirlousia laxa or Anomatheca
  • Fast growing
  • Flowers April-May
  • Perennial!
  • Dry Soil
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Freesia alba
Hardy Freesia
  • Different plant with same name!
  • Fast growing
  • Flowers April-May
  • Perennial!
  • Dry Soil
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Fucraea foetida ‘mediopicta’
False Agave
  • When something subtle just won’t do!
  • Attention grabber
  • Non-hardy
  • But, it’s cheap and fast growing
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Heteropterys glabra
Redwing
  • Zone 8
  • South American native
  • Shiny green leaves
  • Bright yellow flowers with red maple seeds
  • Fast growing from seed
  • Fun in containers
  • Always in bloom/seed
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Jatropha gossypifolia
Cotton Leaved Jatropha
  • Annual-Seed
  • Sun
  • Reseeding annual resembling Castor bean.
  • 4-5 ft. tall with deep bronze colored new growth.
  • Heat and drought resistant
  • Stump your fellow gardeners
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Papaya
Carica papaya
  • Yea, I’m nuts
  • But 7 ft of growth from a seed in 1 year ain’t bad!
  • Cool flowers
  • Smells good
  • And it stumps everyone!
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Salvia splendens
‘Dancing Flame’
  • Annual
  • Red flowers
  • Containers
  • Heavy on the food and water
  • Shade
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Sesbania punicea
Rattlebox
  • Fast growing from seed
  • Flowers first year
  • Hardy to zone 7
  • Small tree to die back perennial
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Sinningia tubiflora
Hardy White
Gloxinia
  • Bulb
  • Hardy zone 7
  • Full sun to light afternoon shade
  • Pure white flowers all summer
  • Drought resistant


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Syngonium
‘Neon Robusta’
  • Better than Caladiums for shade!
  • Color just gets better all summer
  • Yes, it really is pink!
  • Doesn’t crater in heat


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Stromanthe
sanguinea
‘TrioStar’
  • Variegated foliage
  • RED backs to foliage
  • Dry or moist shade
  • Tropical foliage
  • Quick growing
  • Pest tolerant


  • STRIKING
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Tecoma ‘Sunrise’
  • Zone 8 maybe 7
  • Creamy orange flowers all summer
  • 6 ft. in one season
  • Full sun
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Thunbergia battescombei
  • Hardy in 15 gal. Container for last 5 years!
  • True blue flowers
  • Rambling growth habit
  • Flowers all summer
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Thunbergia gregorii
‘Canyon Creeper’
  • Perennial Zone 8?
  • Orange Clock Vine
  • Vine
  • Tender perennial
  • From seed or cuttings
  • Flowers all summer
  • 30 ft.
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Just Remember
  • The success
  • of your garden
  • is built on the compost
  • of your failures!!!


  • Jimmy Turner
  • 1992
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Got the Point?
  • www.dallasplanttrials.org
    • Favorites & Data
    • Suppliers area
    • Downloadable presentation
  • Neil Sperry web Letter
  • Neil Sperry Gardening Magazine


  • jturner@dallasarboretum.org
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