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Sempervivum 'Kramers Spinrad'



A cobwebby hybrid with red foliage. Raised by Gustaaf van der Steen in Belgium and introduced in 1979. A hybrid between S. arachnoideum and S. 'Granat'.

Horst Diehm said:

"Rosettes green, red on the outside, white spun, 2 - 3 cm, pink touch on the outer edge of the leaves"

Erwin Geiger gives a different parentage when quoted on Sempervivum List:

"Gustaaf van der Steen crossed the well-known 'Gamma' with the cobweb root S. arachnoideum and it was worth it. In summer, the medium-sized, spun rosettes are deep red in color. Vigorous, robust and on top of that magnificent flowers!"

Mountain Crest Gardens say:

"A tight rosette of wide, red and green leaves. It has a heavy coating of webbing and produces lots of cotton ball-like offsets. Give webbed varieties great drainage and protection from heavy rains, particularly in winter. This cultivar is a hybrid of S. arachnoideum x S. 'Granat'."



4th June 2005



25th June 2006 25th June 2006 21st March 2009



References:
  • Smith, Alan C. - Sempervivum and Jovibarbas , revised ed. 1980
  • Furness, Steve - Sempervivum, a gardeners guide, Alpine Garden Society, 2023
  • Wills, Howard and Sally - Sempervivum and Jovibarba, 2004
  • International Sempervivum Forum, https://sempervivum.aforumfree.com/.
  • Diehm, Horst - sempervivumpage.de, 2001, autotranslated, no longer available online.
  • Sempervivum List online, https://www.sempervivum-liste.de/de/sempervivum/kramers-spinrad, accessed 12.06.2025.
  • AGS Encyclopedia online, http://encyclopaedia.alpinegardensociety.net/plants/Sempervivum/CULTIVARS , accessed 12.06.2025.
  • Martin Miklanek, List of Sempervivum and Jovibarba cultivars, https://miklanek.tripod.com/MCS/cvA-E.html , accessed 12.06.2025.
  • Sempervivum Garden, https://sempervivumgarten.de , accessed 12.06.2025.
  • Mountain Crest Gardens, https://mountaincrestgardens.com/sempervivum-kramer-s-spinrad-/?srsltid=AfmBOooowOB8IUi4mGunRdZGg_UAhUaYtJoevZCXpumTeldf5UMVAh4H , accessed 12.06.2025.