First shared the attendees of a Gala hosted in the Graham Rose Garden in 1990 at the Chicago Botanic Garden, this narcissus features white petals and an orange split cup. Like other orange cultivars, the color matures to yellow over time and with higher light intensities. Its' cultivar name celebrates the 100th anniversary of the founding of the Chicago Horticultural Society. Virtually unavailable in commerce it is an 'easy keeper' that is resistant to most pests and diseases.