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The University of Minnesota is an equal opportunity educator and employer.
University of Minnesota West Central
Research and Outreach Center
The 2016 Top Ten
Performing Annual Flowers
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University of Minnesota
West Central Research and Outreach Center
2016 Top Ten Performing Annual Flowers
Steve Poppe, Senior Horticulture Scientist
Esther Jordan, Communications Specialist
One of the largest and most impressive displays of annual flower varieties and cultivars in the Upper Midwest can be found at the University of Minnesota (U of MN) West Central Research and Outreach Center (WCROC) Horticulture Display Garden in Morris, MN.
Annual flowers are evaluated on unique characteristics, exceptional performance, color and vigor under regional conditions. A visual evaluation and score was given three times during the 2016 growing season. Only the highest rated cultivars earn the distinction of a Top Ten Performing Annual. The goal of evaluating this vast array of cultivars is to develop recommendations for Minnesota.
Even though the annual flowers are under evaluation, the plants are placed into an aesthetically pleasing design. All flowers are labeled, allowing visitors to take note of top performing cultivars under regional conditions.
The WCROC Garden is also an All-America Selections (AAS) Display Garden and Trial Grounds. This Garden provides the public an opportunity to view the newest superior performers recognized by AAS judges. The Horticulture Display Garden is open daily from dawn until dusk; admission is free. For a complete list of all trial results, please refer to www.wcroc.cfans.umn.edu/flower-research-results. * denotes top consumer favorites at the 2016 U of M WCROC Horticulture Night
* On the front cover: Ornamental Pepper Sedona Sun (top left), Petunia Damask® White (top center), Begonia Topspin Rose (top right), Marigold Taishan Gold Improved (middle right), and Rudbeckia Tigereye Gold (bottom).
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A ngelonia Angelface® Super Pink is a heat and drought
tolerant plant that blooms all season long with fragrant
grape-scented foliage. This is a low maintenance plant
that requires no deadheading and is a great cut flower. Angelonia’s
are heat-loving plants that will grow most vigorously and bloom
best in the heat of the season.
Angelonia Angelface® Super Pink
Height = 30-40 inches
Spread = 12-18 inches
Bloom Time = Late Spring to Fall
Exposure = Full Sun
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B egonia Whopper Rose Bronze Foliage offers
outstanding performance with extra-large pink
flowers against a background of glossy bronze
foliage from spring through fall. Whoppers are a big
vigorous plant which fills out garden beds and large
containers well.
Begonia Whopper Rose Bronze Foliage
Height = 30 inches
Spread = 18 inches
Bloom Time = Late Spring until Fall
Exposure = Partial Shade
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C oleus French Quarter* is a high impact coleus, perfect
for large pots or in the garden landscape. Elegant pink
and green leaves add a dramatic touch to the garden in
either sun or shade.
Coleus French Quarter*
Height = 30 inches
Spread = 24 inches
Exposure = Full Sun and Shade
Soil Moisture = Evenly Moist
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I mpatiens Interspecific Bounce™ Bright Coral boasts a
massive amount of stunning, bright pink bicolor blooms with
tons of color to brighten your garden, be it in shade or sun.
Bright Coral offers the habit and flower count of seed-grown
impatiens, but with the added benefit of resistance to downy
mildew disease.
Impatiens Interspecific Bounce™ Bright Coral
Height = 18 inches
Spread = 18 inches
Bloom Time = Late Spring
Exposure = Partial sun
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I mpatiens SunPatiens® Spreading Shell Pink delivers
unsurpassed garden performance with season long soft
pink flowers that never slow. These vigorous spreading
plants keep their shape all summer; they do just as well in full
sun as in shade. These low-maintenance plants are perfect for
gardeners looking for impatiens that are resistant to downy
mildew disease.
Impatiens SunPatiens® Spreading Shell Pink
Height = 20 inches
Spread = 24 inches
Bloom Time = Late Spring
Exposure = Sun or Shade
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P etunia African Sunset F1 has an attractive orange
flower color that was outstanding during the
summer of 2016. This petunia grows evenly and
uniformly in the garden as well as in containers, all while
producing a prolific number of blooms all season-long.
Petunia African Sunset F1
Height = 12 inches
Spread = 24 inches
Bloom Time = Late Spring
Exposure = Full Sun
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P etunia Supertunia® Vista Fuchsia (Imp) is very
vigorous and continues to flower with numerous
blooms all season long. Supertunia® Vista Fuchsia has
a mounding habit that can reach up to 1 ½ feet in height in the
landscape and will trail over the edges of baskets and containers
up to 3 feet by the end of the season. Deadheading not
necessary.
Petunia Supertunia® Vista Fuchsia (Imp)
Height = 18 inches
Spread = 32 inches
Bloom Time = Early Spring
Exposure = Full to Part Sun
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V inca Solar Avalanche Red is a compact trailing
plant and an excellent choice for pots and
containers. The large flowers have unique
overlapping petals making it a real eye-catcher in any type
of container. Solar Avalanche Red performs very well in
warm and humid conditions.
Vinca Solar Avalanche Red
Height = 8 inches
Spread = 18 inches
Bloom Time = Late spring
Exposure = Full sun
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Zinnia Solmar Rose
Z innia Solmar Rose is an early flowering and large
flowered zinnia variety that will provide a fabulous
display of color in a garden display. Zinnia Solmar Rose
is a vigorous variety with good disease tolerance and is well
suited to challenging weather conditions. Solmar Rose was a
stunning performer in our 2016 garden beds.
Height = 24 inches
Spread = 24 inches
Bloom Time = Spring
Exposure = Full Sun
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Z innia Zahara XL Fire Improved is an ideal choice for
a disease resistant zinnia with reliable, season-long
performance. These 18-24” tall plants offer
exceptional uniform plant habit, growth and vigor with a knock
-out orange/red color. For optimum performance, plant
zinnias in a well-drained garden soil.
Zinnia Zahara XL Fire Improved*
Height = 20 inches
Spread = 10 inches
Bloom Time = Spring
Exposure = Sun
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Honorable Mentions
Variety Name Height Spread Bloom Time
Exposure
Argyanthemum Grandessa™ Pink Halo
18-24” 18-24” Spring to late Summer
Part Sun to Sun
Argyranthemum White Butterfly™
18-24” 18” Spring to Late summer
Part Sun to Sun
Begonia Topspin™ Rose 12-18” 10-12” Spring to fall Partial Sun to Sun
Begonia Megawatt™ Rose Green Leaf
24” 16” Spring to Summer
Partial Sun to Sun
Calibrachoa Superbells® Coralina
6-12” 20-24” Spring to Fall Part Sun to Sun
Calibrachoa Superbells® Yellow (Imp)
6-12” 20-24” Spring to Fall Part Sun to Sun
Calibrachoa Cabaret® Lemon Yellow
6-10” 12-18” Spring to Fall Part Sun to Sun
Canna Toucan™ Scarlet 30-48” 18-24” Late Spring to Fall
Full sun
Geranium Pinto™ Premium White to Rose F1
14-16” 12-18” Late spring to Fall
Full sun
Impatiens Interspecific Bounce™ Violet
20-30” 24-30” Late spring to Fall
Partial Sun
Marigold Taishan® Gold Improved
10-12” 8-10” Spring to Late Summer
Full Sun
Ornamental Pepper Sedona Sun
12-14” 14-16” Summer to Fall
Full Sun
Petunia Radiance Lilac 6-8” 2-3’ Spring to Fall Full Sun
Petunia Tidal Wave® Red Velour F1
18-24” 24-30” Spring to Fall Full Sun
Petunia Supertunia® Vista Bubblegum
12-18” 24-36” Spring to Fall Full Sun
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Honorable Mentions
Variety Name Height Spread Bloom Time
Exposure
Petunia Damask® White 8” 12” Spring to Fall Full sun
Rudbeckia TigerEye™ Gold 16-24” 16-20” Early Sum-mer to Fall
Full to Part Sun
Verbena EnduraScape™ Pink Bicolor
8-12” 18-24” Late Spring to Fall
Full Sun
Verbena Superbena™ Royale Red
10” 18-24” Late Spring to Fall
Full sun
Zinnia Profusion Double Deep Salmon
14” 24” Spring to Late Sum-mer
Full Sun
Zinnia Profusion Double Hot Cherry
14” 24” Spring to Late Sum-mer
Full sun
Begonia Megawatt Rose Green Leaf
Calibrachoa Cabaret® Lemon Yellow
Argyranthemum Grandessa™ Pink Halo
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The Horticulture Display Garden is a participating garden in the
National Plant Trials Database, which is a central repository for trial
plant data. Participating gardens adopt
standardized trialing protocol along with
evaluation criteria. At the conclusion of each
growing season, trial managers upload trial data into the database
making cultivar evaluations available to industry professionals. For
more information on annual flower research at the WCROC, please
visit our website at wcroc.cfans.umn.edu.
Steve Poppe, Senior Horticulture Scientist
University of Minnesota
West Central Research and Outreach Center
46352 State Hwy. 329
Morris, MN 56267
Phone: (320) 589-1711
Email: [email protected]
Esther Jordan, Communications Specialist
University of Minnesota
West Central Research and Outreach Center
46352 State Hwy. 329
Morris, MN 56267
Phone: (320) 589-1711
Email: [email protected]
Verbena EnduraScape™ Pink Bicolor
Impatiens Interspecific Bounce Violet
Petunia Supertunia® Vista Bubblegum