Info on 'Lemon Dream'. LEMON DREAM (Anderson) Roger F. Anderson, Fort Atkinson, WI, Jan. 19, 1999. Yellow single to semi-double - herbaceous x tree hybrid. Pollen parent. Golden Era. Seed parent. Martha W. First bloomed 1987. Divided 1990 - height 28-32". Semi-double yellow, excellent plant habit. Every now and then, a bloom or two will open half lavender, half yellow. A real novelty.