Geum ‘Top Shelf Margarita’ stands 15 – 18 inches high and blooms in mid spring with bright yellow semi-double flowers. The flowers are held on wiry red stems above a 10 inch high clump of deep green foliage. It was bred by Brent Horvath of Intrinsic Perennial Gardens as part of the Cocktails™ series. Plant it in full sun to part shade. It is hardy in zones 4 - 8.