Additional: Reliable and easy to grow perennials that will return year after year. Product: Get this Lucky Dip Perennial Pack - 2 Sizes today! Perfect: For creating a vibrant coloured summer border! Spread: Up to 75cm (30in). Quantity: Available in a 72 or 144 pack. Flowers: From May to September. Height: Up to 150cm (60in). Lucky Dip Perennial Pack | Living Social