A mid-season supersweet type, Sweetcorn Ovation F1 produces large cobs of 20-23cm (8-9in) long, filled to the tip with 12-14 rows of delicious kernels with a delicious sugar-sweet flavour. Sweetcorn Ovation seeds in the RHS Vegetable Collection are vigorous plants which give impressive crops.Sow seeds individually, 2cm (¾in) deep in 5cm (2in) pots of good seed compost to avoid root disturbance. Sow at 15C (59F) under glass or in a propagator. Seeds can also be sown direct outside in warm soil from mid May.Grow on steadily and gradually harden off prior to planting out from late May, or once frost risk has passed. Grow in a block for best pollination, allowing 38cm (15in) between plants each way.