Seed Count 10 Sweet Corn Sweetcorn F1 Rising Sun Sweet Corn Sweetcorn F1 Rising Sun. One of the earliest & certainly sweetest early season ‘Super sweet’ varieties available (having 2-3 times the sugar level of ordinary varieties). Large, tightly packed cobs averaging 220g in weight. Good sturdy plants with strong roots that will thrive in exposed positions. Cultivation Advice Sweet Corn Sweetcorn F1 Rising Sun Ensure the growing location has good drainage & enough humus to ensure the ground will not dry too quickly. Sow in early spring under cover in 3in pots 1in deep for the earliest crop at a minimum temp of 50F, warmth will aid germination rates. Harden off before planting out. Alternatively sow directly outside in late spring allowing 18in between plants & 18in between rows. Sweet corn must be planted in blocks, not as a single row to ensure good pollination. Cover any roots that appear at the base with mulch or old compost to retain moisture. Do not allow the crop to dry out during hot weather whilst flowering. Each plant will produce 1-2 cobs, test for ripeness when the silks have turned chocolate brown. A creamy liquid should come from the grains when squeezed, when fully ripe. Vegetable - Sweet Corn Sweetcorn F1 Rising Sun 10 Premium Quality Seeds