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Best of the Season from Dümmen Orange’s 2025 Summer Trials

By Dümmen Orange|August 29, 2025

Dümmen Orange just finished its summer trial season in North America. The following Dümmen Orange 2025 selected varieties represent the best-in-class for color, habit, and overall garden performance:

Agastache ‘FlutterFriendly Orange’

Agastache 'FlutterFriendly Orange' at Colorado State University.

Agastache ‘FlutterFriendly Orange’ at Colorado State University. | Dümmen Orange

Agastache ‘FlutterFriendly Orange’ is first-year flowering and part of a new series. Vibrant, large flowers that bloom all summer long make it ideal for pollinator programs. Thriving in hot and humid conditions, it performs well in Zones 5 through 9.

Angustifolia ‘La Diva Eternal Grace’

Angustifolia 'La Diva Eternal Grace' at Smith Gardens.

Angustifolia ‘La Diva Eternal Grace’ at Smith Gardens. | Dümmen Orange

Angustifolia ‘La Diva Eternal Grace’ is a new addition to the Eternal series. Eternal Grace complements Elegance with the same outstanding performance. Now in a larger, standard-sized English lavender, it has a bigger habit and larger blooms. First-year flowering, it is hardy in Zones 5 through 9.

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Begonia ‘I’Conia Bacio Lemon’

Begonia 'I’Conia Bacio Lemon' at Metrolina Greenhouses.

Begonia ‘I’Conia Bacio Lemon’ at Metrolina Greenhouses. | Dümmen Orange

Begonia ‘I’Conia Bacio Lemon’ is new for 2026 and already a winner, earning the Retailers’ Choice Award at Cultivate’25. This variety features soft yellow blooms with peach undertones, striking dark foliage, and a compact habit, making it a great fit for smaller containers and ideal for strong retail appeal.

Coleus ‘Main Street Franklin Street’

Coleus 'Main Street Franklin Street' at Young’s Plant Farm.

Coleus ‘Main Street Franklin Street’ at Young’s Plant Farm. | Dümmen Orange

Coleus ‘Main Street Franklin Street’ is new to the Main Street series. Franklin Street is a landscape performer, thriving in both full sun and full shade. It features a large, full-figured habit with bright rose and orange tones, which are accented by chartreuse edges.

Confetti Garden Cosmic Blues

Confetti Garden Cosmic Blues at Colorado State University.

Confetti Garden Cosmic Blues at Colorado State University. | Dümmen Orange

Confetti Garden Cosmic Blues is a Trio Mix which brings the magic of Milky Way to the garden with moody blues and a splash of sparkle. Featuring well-timed blooms from spring through early summer, this multi-species combo pairs well with Petunia ‘Surprise Sparkle Blue Vein’ and has built-in TMV resistance powered by Intrinsa.

Leucanthemum ‘Sweet Daisy Kylie’

Leucanthemum 'Sweet Daisy Kylie' at Smith Gardens.

Leucanthemum ‘Sweet Daisy Kylie’ at Smith Gardens. | Dümmen Orange

Leucanthemum ‘Sweet Daisy Kylie‘ is new for 2026. Sweet Daisy Kylie features oversized white blooms with a double row of petals. This first-year flowering Leucanthemum offers 8-10 weeks of color and standout garden performance. It is hardy in Zones 4 through 9.

Nepeta ‘Serene Frost’

Nepeta 'Serene Frost' at Metrolina Greenhouses.

Nepeta ‘Serene Frost’ at Metrolina Greenhouses. | Dümmen Orange

Nepeta ‘Serene Frost’ features a compact habit and continuous blooms all season long. This white-flowering variety offers high landscape performance and reliable perennial color from May through September. It is hardy in Zones 4 through 9.

Petunia ‘Surprise Sparkle Blue Vein’

Petunia 'Surprise Sparkle Blue Vein'.

Petunia ‘Surprise Sparkle Blue Vein’. | Dümmen Orange

Petunia ‘Surprise Sparkle Blue Vein’ is the most stable sparkle variety yet. It holds its color from early spring through the heat of summer, and offers TMV resistance and medium-high vigor, making it ideal for mixed combinations and hanging baskets.

Scaevola ‘Scala Cappello White’

Scaevola 'Scala Cappello White' at Plantpeddler.

Scaevola ‘Scala Cappello White’ at Plantpeddler. | Dümmen Orange

Scaevola ‘Scala Cappello White’ is heat and drought-tolerant. This variety features crisp, white fan-shaped blooms. With great branching, medium vigor, and a bushy habit, it works well for premium pots, baskets, and the landscape.

Viola ‘Spring Morning Bumblebee’

Viola 'Spring Morning Bumblebee' at Colorado State University.

Viola ‘Spring Morning Bumblebee’ at Colorado State University. | Dümmen Orange

Viola ‘Spring Morning Bumblebee’ is part of the new Spring Morning series of perennial violas. Hardy in Zones 5 through 8, Bumblebee’s early, long-lasting blooms, heat tolerance, and medium-sized flowers provide color throughout the season.

 

For additional information on (and pictures of) each summer variety, please read the original release found on the Dümmen Orange website.

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By uniting the world’s top breeders under one distinctive brand, Dümmen Orange blends traditional techniques and emerging technologies. Globally accessible and locally embedded, it continues to be at the forefront of the industry while bringing stability and opportunity to its partners and associates worldwide. See all author stories here.