Book  (2000)  Page(s) 77.  Includes photo(s).
 
‘Ambrosia’ = Floribunda – tons orangés, remontant. …en bouquets denses légèrement odorants. Coniques en bouton, elles s’ouvrent ensuite presque à plat, leurs pétales réfléchis s’enroulant vers l’arrière, et se renouvellent sans faiblir jusqu’en automne. Ce rosier presque nain, vigoureux et buissonnant, à l’abondant feuillage vert sombre.. Dickson, UK, 1962. Semis x ‘Shepherd’s Delight’.

Book  (Dec 1998)  Page(s) 77.  Includes photo(s).
 
Ambrosia Floribunda. Dickson (UK) 1962. Description... When this rose was introduced it was heralded as a color break, because the vivid dark amber shade was indeed a novelty...

Book  (1963)  Page(s) 151.  
 
Better Roses (Australia). advertisement. 
Ambrosia (Pier.,) (Dickson) Brilliant pure amber, the first of yet another colour break. Polyantha type. Semi-single blooms with dark golden stamens on a bushy, disease-free, vigorous plant.

Book  (1963)  
 

p20.  Photo Ambrosia 

p157.  Trial Ground Awards 1962. 
Certificate of Merit to Ambrosia (Flori.). Trial Ground  No. 152. Reg.  No. 752. Raiser and Distributor: Alex. Dickson & Sons Ltd., N. Ireland. Seedling x 'Shepherd's Delight'. Vigour  of growth, 8. Habit of growth dwarf and bushy with plentiful dark green foliage, 8. Freedom from disease, 14.  Blooms  flat (11 petals), 2 1/2 to 3 inches across when open, produced in clusters. Colour amber, 8.   Freedom of flowering, 17. General effect, 8. Fragrance, 4. 

p159.  Trial Ground Certificate to Ambrosia

Book  (1962)  Page(s) 175.  
 
Dicksons of Hawlmark advertisement.
Introductions for 1962.  Ambrosia (Floribunda) by Dicksons' of Hawlmark. Brilliant pure amber, yes indeed a startling new colour break. The masses of bloom produced in large clusters make a wonderful spectacle.