This grower is fairly sure of this plant identification.
I think this is 'Grand Marnier', opens yellow and fades to peachy orange. Very fragrant. Plants around 6" tall. Postage £3
Angel's trumpet, Maikoa
Brugmansia × candida ‘Grand Marnier’ (Angel's trumpet). This variety bears apricot flowers.
When grown under-glass use a loam-based potting compost with full light, When grown outdoors grow in fertile moist well-drained soil with full sun.
Italics = data drawn from parent genus or speciesView Full Plant Finder Record