The Girlguiding UK Centenary Rose is an easy-care rose suitable for all-comers, including rose-garden beginners. If you don't have a garden, try it in a planter to give your balcony a splash of colour! Scent 5. Colour raspberry/white eye. Height 80cm. Bush variety. For over 130 years the Harkness nursery has been supplying roses to Britains gardeners. The mission of Harkness Roses is to raise new & enhanced roses, varieties with better reliability against disease, stronger perfume, a wider range of colours, & more blooms over a longer flowering period. Of these qualities, perhaps the most significant is reliability.