Perennial Collection This colourful collection will bring plenty of impact to summer borders and patio containers. These have been specially selected to flower in succession from late spring until autumn. This ensures that your garden will look at its best for the whole growing season, and add interest all year round. For maximum impact and a striking focal point, plant this wonderful mix in big bold groups! Your perennial collection will include 6 plug plants of each of the following varieties: Achillea \'Cerise Queen\', Coreopsis \'Golden Joy\', Delphinium \'Dark Blue & White Bee\', Foxglove \'Dalmatian Mixed\', Echinacea \'Nectar Pink\' and Rudbeckia \'Goldsturm\'.