Varieties: Get one of each of five great varieties listed below. Perfect for: Creating a spectacular focal point in a sunny border. Supplied as: Tubers at approximately 5-15cm. Peak height and spread: Approximately 100-160cm (height) x 50-60cm (spread). Dahlia tubers: Get a pack of five dahlia 'dinner plate' tubers! Flowers: Produces large flowers - up to 30cm across! 5 Dahlia 'dinner Plate' Tubers | Living Social