Fl. rounded, 96mm wide; perianth segments 39mm long, very broad, blunt, vivid yellow, spreading, plane or with margins incurved, with midrib showing, of membranaceous substance, overlapping half or more; the inner segments narrower, shouldered at base; corona 14mm long, cup-shaped, ribbed, orange, mouth flared and wavy, with rim crenate. Sweetly scented.
The Division was changed from 2 to 3 in the 2014 R.H.S. Supplement 7.
Named to celebrate the 100th Harrogate Flower Show which took place in 2011.
There are no photos of "Harrogate Centenary" in Daffseek.