Sweet Basil seeds produce vigorous plants that grow big, mid-green leaves all summer long. Keep picking the growing tips and the 2 pairs of leaves below them for the kitchen. More branches sprout more leaves. Sweet basil is a large-leaved Italian type that is glorious for pesto. Plant Sweet Basil seeds several times for a continuous supply until frost. Grow one on a warm and sunny windowsill through the winter, or try it as microgreens for a tasty and aromatic garnish. This basil makes excellent pesto, and it's extremely easy to grow. Just supply good drainage and lots of sunshine.