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...
Book (1991) Page(s) 85.
Nola Simpson, New Zealand International Rose Trial Ground Awards. Trial No. 20. 1988-1990.
Diadem Shrub. Very healthy tall bushy growth habit, flowers are a medium pink shade, borne in trusses on long pickable stems. It flowers profusely all season and is very showy in full bloom. Bred by Tantau, West Germany.