Texas Early Grano 502 Onion is a short-day variety, known for its mild and sweet flavor. It has yellow skin and white flesh. It's so sweet, some have been know to bite into it like an apple! This onion is suitable for southern growing zones. Planting instructions: In southern planting zones, plant in the fall and overwinter for a spring harvest. Plant in spring for a Summer harvest. Seed depth: 1/4", plant spacing within row: 2", thin to 4-6", row spacing: 12-18". Pro tip: keep seeds constantly moist until germinated. Plant in full sun. Harvest in 110 days. Texas Early Grano 502 Onion is a short-day variety, known for its mild and sweet flavor. It has yellow skin and white flesh. It's so sweet, some have been know to bite into it like an apple! This onion is suitable for southern growing zones.