RC Tecumseh
ActivePanicum virgatum L. · Switchgrass
Roger Samson^^^Erik Delaquis
JS Blue Darkness
ActivePanicum virgatum L. Switchgrass · Agricultural · bred by Spruyt Select CommV
also searched as: йс блуе даркнесс
Variety description
10 August 2026
The plant forms dense, upright clumps from 100 to 140 cm in height. The narrow linear leaves have a blue-green color, transitioning to dark, almost black tones with reddish or copper tips. In autumn, the foliage acquires saturated red, yellow, and orange shades.
Paniculate inflorescences of cream or brownish color appear in the period from July to October. The variety is distinguished by high resistance to lodging and winter hardiness corresponding to zone Z5 (-23°C to -28°C). The plant is intended for landscape design and is used as an accent element in flower beds.
Sources7
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Countries of admission
1 jurisdiction
Green indicates countries where the variety is listed in the national catalogue and its seeds are authorized for sale. Expired registrations are marked separately: the variety was previously admitted, but sale is no longer permitted.
Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified. This section will be available upon verification.
Variety in registries Regions of admission, rights holders, and status of plant breeders' rights
Parties
- Breeder
- Spruyt Select CommV 39 Developed the variety
- Applicant
- Spruyt Select CommV 39 Submitted the application to the register
- Rights holder
- Spruyt Select CommV 39 Holds the rights to the variety
Plant breeders' rights
The right is granted for a limited term: propagation of the variety requires a license from the rights holder.
European Union
№ 20161566
Active
- Application filed 23 June 2016
- Registered 23 April 2018
- Currently active indefinite in the register
More 1 record protections in other jurisdictions are shown on the map above.
Records are sourced from official registry publications. Data sources and legal status
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This is a directory, not an official registry: data is based on public disclosures and may have changed. More about sources
Same species
Other varieties: Switchgrass
Purple Tears
ActivePanicum virgatum L. · Switchgrass
Petrus Hendricus Oudolf
RC Big Rock
ActivePanicum virgatum L. · Switchgrass
Roger Samson
JS Black and Light
ActivePanicum virgatum L. · Switchgrass
Spruyt Select CommV
JS Dark Night
ActivePanicum virgatum L. · Switchgrass
Spruyt Select CommV
Liadovske
TerminatedPanicum virgatum L. · Switchgrass
Wolter Elbersen, Mandrovs`ka Svitlana Mykolaivna, Hanzhenko Oleksandr Mykolaiovych, Honcharuk Hryhorii Semenovych, Roik Mykola Volodymyrovych,
UA
2 records
Nearby in the species list Buffalo Green, ECGPHR19, EG1101, EG1102, Hot Rod, JOZ276, JS Black and Blue, JS Black and Light, JS Dark Night, Liadovske, Mardan, Morozko, Niagara Falls, Nosferatu, Oxblood Autumn, Purple Tears, Radmar, RC Big Rock