California Spring Trials 2018 features the newest ornamental and vegetable varieties that breeders will soon be introducing to the market. Greenhouse Grower Editors Laura Drotleff and Janeen Wright, along with Contributing Editor Allan Armitage and Andrew Scheldorf, winner of the Dr. Allan Armitage Scholarship for the Ornamental Spring Trials, will soon be in California, sharing the latest varieties with you and keeping you current on the latest news and marketing ideas.
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Strong branching
Flowers stay upright
Flower power in both sun and shade
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Works well for hanging baskets and in combination containers
Well-branched plants with strong flower power
Thrives in hot and humid summer climates
Performs well in both sun or shade
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Unique brushwork bicolor pattern
Early flowering time
Semi-trailing habit
Works well for spring baskets or as a component to combination containers
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Selection of C. 'Ice Dance' with broader, vanilla-cream margins
Overall brighter, cleaner appearance
Works well as a ground cover
Performs well in shade
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Uniform growth and flowering
Less plant growth regulators required
Grown from seed
Works well as perennial or pot plant
Flowers abundantly with large blooms
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Fast and uniform blooms
Works well for phased summer growth
Forms trio with Carino and Mini Winter series for mini cyclamen assortment from summer to winter
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Uses different cultivation method (without vernalization)
Produces full plants in 12 to 13 weeks
Propagated through tissue culture
Full plants with many side shoots
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Uses different cultivation method (without vernalization)
Produces full plants in 12 to 13 weeks
Propagated through tissue culture
Full plants with many side shoots
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Low and compact with many tight double flowers
Works well for containers or borders
Quickly forms a crown with multiple blooms in the first year
Blooms June to October
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Uses different cultivation method (without vernalization)
Produces full plants in 12 to 13 weeks
Propagated through tissue culture
Full plants with many side shoots
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Compact and bushy habit
Flowers profusely without cold treatment, but do benefit from it
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Compact variety with good basal branching
No need for vernalization
Stout, large pink flowers on compact plant
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Round leaves and good crown
Purple to silver leaves
Hardy H. richardsonii breeding for cold tolerance and good rust resistance
Blooms May to September
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New addition to series
Uniform flower genetics that perform well in the garden
Bright, two-tone bicolor blooms
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Large-flowered pansy series
Series performs well as both a fall and spring pansy
Color combination in the flowers works well for fall and spring
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Sakata breeding
Early to flower
Upright mounding habit
Heat tolerance and expanded garden performance
Pictured: Two-variety combination called Autumn Spice, containing SuperCal Premium varieties Cinnamon and French Vanilla
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Durable, landscape-grade petunia
Bred to flower early, grow taller, and spread wider
Vigorous
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Star-eyed pattern
Vigorous, trailing habit
Remains stable under various conditions
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Firm flower stems
Less plant growth regulator required
Primula Perola is a Primula polyanthus, and is new in the range this year
Long-stemmed
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Genetically small, compact plants for production in pot sizes 9 to 10
Suitable for retail
Touch Me Mini is a smaller version of Touch Me, which makes the product ideal for efficient supply and transport
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Half-height pot Ranunculus with fresh, bright colors
Compact, full plant
Uniform blooms
Sprinkles performs best at low temperatures
Requires less plant growth regulator
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Pure-white flowers with tiger-spotted throat
After cool treatment, it flowers May to October
10 inch flower spike on a tidy plant
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Pink flowers with tiger-spotted throat
After cool treatment, it flowers May to October
10-inch flower spike on a tidy plant
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New bi-color addition to early flowering, compact Vepita series
Holds the same reliability and resistance to mildew found within the Vepita series
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Verbena hybrid
High mildew tolerance
All-season durability in the landscape
Plants start with an upright habit and become semi-trailing as they grow
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Uniformity across series Three new colors
Strong flower power
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Begonia hyb. ‘RiseUp Grenadine Red’ (Westhoff)
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Begonia Shine Bright Mix (Westhoff)
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Calibrachoa 'Candy Shop Grape Splash' (Westhoff)
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Carex morrowii ssp. foliosissima 'Vanilla Ice' (Cultivaris)
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Campanula carpatica 'Avida Blue' (Schoneveld Breeding)
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Cyclamen Verano Series (Schoneveld Breeding)
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Echinacea Mooodz Series (Hilverdakooij)
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Echinacea 'Mooodz Cosy' (Hilverdakooij)
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Echinacea 'Prima Cinnamon' (Terra Nova Nurseries)
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Echinacea 'Mooodz Satisfy' (Hilverdakooij)
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Felicia amelloides 'Amélie Blue' (Cultivaris)
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Gaura lindheimeri ‘Lillipop Supreme’ (Cultivaris)
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Heuchera 'Northern Exposure Purple' (Terra Nova Nurseries)
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New Guinea Impatiens 'Paradise Select Dark Moyo' (Kientzler)
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Pansy 'Cello Raspberry Surprise' (Hem-Genetics)
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Petchoa hyb. 'SuperCal Premium' (Kientzler)
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Petunia 'BigDeal Chocolate Cherries' (Westhoff)
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Petunia 'Constellation Pyxis' (Westhoff)
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Primula 'Perola Yellow Red Bicolor' (Schoneveld Breeding)
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Primula Touch Me Mini Mix (Schoneveld Breeding)
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Ranunculus 'Sprinkles Dwarf Pink' (Schoneveld Breeding)
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Rehmannia hyb. ‘Crouching Tiger′ (Cultivaris)
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Rehmannia hyb. ‘Hidden Dragon′ (Cultivaris)
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Verbena 'Vepita Amethyst' (Kientzler)
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Verbena 'Estrella Pink' (Westhoff)
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Viola 'Corina Deep Blue and White' (Hem-Genetics)
Watch for daily news during the week in special Benchrunner editions with insider views on promising plants, slideshows of new introductions, and Allan Armitage’s top plant picks.
Until then, we’ll give you a peek at some of the 2018 introductions breeders shared with us that will hit the retail market in 2019.
This slideshow covers some of the stops in the Central Region and the Northern Region:
Kientzler (Windmill Nursery, Buellton, CA) – Central RegionTerra Nova Nurseries (Windmill Nursery, Buellton, CA) – Central Region
Learning Opportunity: How Biochar Could Be a Superior Peat Replacement
Cultivaris (Pacific Plug & Liner, Watsonville, CA) – Northern Region
In Case You Missed It:California Spring Trials 2018 Northern Region Preview: Spring Meadow Nursery, Syngenta, Danziger, Cohen, Hishtil, Jaldety, Nir
California Spring Trials 2018 Northern Region Preview: Benary, American Takii, Sakata Ornamentals, Beekenkamp, and More
California Spring Trials 2018 Central Region Preview: Ball Horticultural, Dümmen Orange, PlantHaven, Suntory Flowers
2018 California Spring Trials Central Region Preview: Green Fuse Botanicals, Floranova, Vegetalis, Florist, Royal Van Zanten, Vivero Internacional
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2018 California Spring Trials Central/Northern Preview: Cultivaris, Hem Genetics, Hilverdakooij, Kientzler, Terra Nova Nurseries, and Westhoff
Janeen Wright is former Editor for Greenhouse Grower. . See all author stories here.
April 3, 2018 
