Johnsons Mixed Lettuce \'Contrasts\' Seeds create a salad mix that boasts a variety of colours and shapes. From vibrant greens to deep red shades, these lettuces leaves will add depths of colour and taste to your salads. They can also be picked as baby leaves or left to mature and picked as whole heads. Sow outdoors between March and August to harvest between April and October. Average pack contains 500 seeds. Warning:Seeds should not be eaten. Store out of reach of children and pets. Always read the instructions before use.