Book (2003) Page(s) Table 18.
Gold Medal Winners at Durbanville, South Africa...
1987 'Diadem', Floribunda, Tantau
Book (1999) Page(s) 20.
In 1985, [Rosen-Tantau's] fortune and rose-breeding operations passed into the hands of long-time colleague Hans Jürgen Evers. Successful new introductions like 'Diadem' and 'Monica', which helped bring the moderately profitable field-growing of cutting roses in Germany to a renaissance in the 1980s, are his works.
Website/Catalog (31 Dec 1998) Page(s) 55. Includes photo(s).
Article (magazine) (19 Nov 1998) Page(s) 30.
Diadem (TANmeda) Cluster-flowered (Floribunda) bush. Tantau (Germany) 1986. Description... clear pink...
Website/Catalog (24 Oct 1998) Page(s) 7.
Royal Bouquet™ ('Diadem') Bouquet Rose. Tantau 1992. Description... it is grown extensively outdoors as a cut rose in Europe...
Website/Catalog (Aug 1998) Page(s) 12.
Diadem (TANmeda) Floribunda. Tantau 1992... grown commercially outdoors for the cut flower industry... clear pink blooms...