CO-Horts Blog

Wednesday, October 31, 2018

2018 “Best Of Winners” from CSU Annual Flower Trials

Posted by:  Jim Klett, Professor, Department of Horticulture and L.A., Colorado State University

The following are some of our “Best Of” winners from the 2018 trials.  The complete list with photos can be found on our website 

Best of Show – Salvia ‘Big Blue’ from PanAmerican Seed 
A later bloomer that is worth the wait was impressive with large flower spikes that are showy in the garden as well as making a good cut flower.  Plants had dark green foliage, strong upright growth habit, excellent branching and very uniform overall.  A strong favorite with bees as well as humans.

Best Novelty - Artemisia ‘MAKANA™ Silver’ from TerraNova
This fine textured foliage plant makes a great complement to many other plants in a classic border.  The beautiful silver foliage is dense on vigorous and very compact and uniform plants.    It would look great in both a container as well as ground.  It makes a good filler plant as well adding a strong textural element to any garden.

Best New Variety – Rudbeckia ‘Rising Sun® AS Chestnut Gold’ from Green Fuse Botanicals
Huge flowers covered this plant all season creating impressive flower power.  Besides the prolific flowering, the intense coloring of the flowers make this a definite “55 MPH plant”.  It is impossible not to be impressed even from a brief glance at a great distance. 


Begonia semperflorens (Shade) - 'Megawatt™ Pink Bronze Leaf’ from PanAmerican Seed
The vigorous plants were characterized by their large leaves, strong stems and large flowers.  The bright pink flowers were very floriferous and had excellent contrast with the dark foliage.  Blooms were self-cleaning so the plants always looked fresh.

Celosia – ‘Kelos® Fire Scarlet’ from Beekenkamp
The attractive dark foliage was impressive all by itself but the abundant petite flowers were bright and made a great contrast with the foliage.  Plants are vigorous and have good garden performance.

Coleus – ‘FlameThrower™ Serrano’ from Ball FloraPlant
The attractive dark red foliage had a bright green edge that created a lot of contrast and a bold look.  Leaf shape was also unique and added interest.  Plants did not flower and kept a very uniform appearance all season.

Combination – ‘Kwik Kombos™ Fire and Ice™ Mix’ from Syngenta
Plants created a ball of flowers in a container that had a very high “Wow!” factor.  Colors were vibrant and made an excellent mix.  It was noted that very few combos work with different genera but this is the exception as the bidens, petunia and lobelia were equally represented and none dominated the other.

Dahlia – ‘Temptation Orange’ from Dümmen Orange
The intense dark foliage makes the color of the clear orange flowers really pop out.  The contrast was especially good in full sun and flower color doesn’t fade.  Dark foliage also hides dead heads and requires less maintenance.  Growth habit was very uniform.

Geranium (Zonal) – ‘Brocade Cherry Night’ from Dümmen Orange
Plants were unique with foliage that has a very large zonation with a rich chocolate color.  The dark foliage makes for high contrast with the bright rose-colored flowers.  The tight double flowers have a bit of a multiflora look to them.  Overall the plants were very uniform.

New Guinea Impatiens – ‘Sun Harmony™ Blushing Orchid’ from Danzinger
Plants were both vigorous and very floriferous and made a very colorful container.  The large flowers held up to the sun and had added interest due to the light lavender striping in the petals.  Growth habit was very uniform.

Osteospermum ‘Osticade™ Lemon’ from Danziger
Abundant clear yellow flowers were unusually large and had a deep yellow eye for added interest.  Blooms were consistent all season long and very showy with uniform plants with clean foliage.

Petunia (Spreading) – ‘Supertunia Vista® Bubblegum’ from Proven Winners
This is a multi-year winner from many past trials and is considered to be possibly the best petunia in the last 10 years.  It always has a dependable show of prolific pink flowers with exceptional vigor.

Verbena – ‘Lanai® Upright Twister Watercolor’ from Syngenta
Abundant flowering covered the canopy almost all season with attractive shades of soft lavender that was attractive even as the blooms faded.  Plants had a long lasting flower display and seemed to “bury its dead” blooms under new ones.  Uniform growth habit and lack of any sign of mildew also made this plant a winner.

Vinca – ‘Tattoo™ Papaya’ from PanAmerican Seed
Very unique flower color and abundant blooms were very impressive.  Flowers had a very unusual and beautiful “inky” blush pattern that helped earn the first part of the name, “Tattoo”.  Plants had an upright growth habit and can grow well in full sun or part shade.

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