5205 - Valencia Onion. Versatile day-neutral sweet Spanish onion for all regions. Mild to sweet flavor. Excellent for bunching when young or for fresh market sales of large bulbs with warm golden-brown skin. Stores moderately well. Day neutral · 10cm bulbs. Days to maturity: 120 days Can be direct-seeded or transplanted, where transplanting is recommended for shorter growing seasons. For direct seeding, sow at 0.5cm depth as soon as soil warms in spring. Sow 3cm apart and thin to 5-8cm . Optimal soil germination temperature is 23-29ºC.