First released in 1936 by Colorado State University, an important onion because it is a true day-neutral type, meaning it will form a bulb better and faster for northern grower! Excellent traditional onion flavor, a good long-keeper for winter storage. Yellow bulb. 50 heirloom, chemical-free seeds per pack. Long day type. Free shipping on orders over $34. Start indoors 8-12 weeks before frost, or plant outside as soon as ground can be worked. Rake lightly into soil. Keep moist to start. Harvest bulbs in autumn. (Allium cepa). Also called Onion Yellow Sweet Spanish #6.