Spring isn39t spring without colourful polyanthus 45 best in class for polyanthus 45 rhs award of garden merit ampnbspgive your garden a dose of springtime magic and banish the winter gloom polyanthus 39crescendoampreg39 paints a rainbow of colour with its large blooms in bright colours making bold splashes in pots window boxes and bordersthe flowers are long45lasting fragrant and produced in abundance upon strong stems which are held above neat rosettes of foliage w