Sea Stone
WithdrawnEchinops ruthenicus M. Bieb. · Ornamentals · bred by Kwekerij Terra Nova V.O.F.
also searched as: сеа стоне
Variety description
10 August 2026
The plant belongs to the Asteraceae family and is classified as a dwarf globe thistle. The leaves have a pinnately divided shape, are covered with white felt-like pubescence on the underside, and are spineless. Bright blue flowers form the globular inflorescences typical of this genus; the flowering period begins in July.
The variety is a drought-tolerant and heat-loving plant, resistant to diseases. Optimal growing conditions include well-drained soils and a sunny or semi-shaded location. The winter hardiness zone corresponds to zone 3, which allows it to withstand temperatures from –34 to –40 °C.
Sources4
- Loading…
Variety in registries Regions of admission, rights holders, and status of plant breeders' rights
Parties
- Breeder
- Kwekerij Terra Nova V.O.F. 6 Developed the variety
- Applicant
- Kwekerij Terra Nova V.O.F. 6 Submitted the application to the register
Plant breeders' rights
The right is granted for a limited term: propagation of the variety requires a license from the rights holder.
- Application filed 14 March 2005
- Registered —
- Entry closed 11 March 2006
Records are sourced from official registry publications. Data sources and legal status
Found an error in the record?
The directory replicates the primary source. If an entry differs from the official publication, please specify the discrepancy and provide a link if possible. Corrections are added to the moderation queue.
This is a directory, not an official registry: data is based on public disclosures and may have changed. More about sources