Onion Red Amposta

£0.99

A fantastic Italian traditional variety, Red Amposta is one of the best red onions for sweet flavor with large bulbs that store well after harvest. It produces large, copper-red, globe-shaped onions with pretty red and white rings in a wide variety of conditions.  Matures in approximately 115 days after planting.  Best for early spring sowings.

  • Seed Count: 1000

484 in stock

SKU: ONN07 Categories: , ,

Onion Red Amposta

Onion Red Amposta. A fantastic Italian traditional variety, Red Amposta is one of the best red onions for sweet flavor with large bulbs that store well after harvest. It produces large, copper-red, globe-shaped onions with pretty red and white rings in a wide variety of conditions.  Matures in approximately 115 days after planting.  Best for early spring sowings.

Cultivation Advice Onion Red Amposta

Days to Germination: 10-12

Days To Harvest:  115

Planting Depth: 1/2″

Spacing, Row:  18″

Spacing, Plant: 5 inches

  • Start in early spring indoors / heated greenhouse 8-10 weeks before transplanting outdoors (Jan / Feb).
  • When transplanting, clip plants to three inches and plant 2 inches deep.
  • Can be sown directly when ground has warmed in mid-late spring,
  • at 2-3 seeds per inch, but may struggle to reach full maturity.
  • Thin to 5 inches apart when plants are 6 inches tall.
  • Harvest by pulling bulbs when tops are brown and dry.
  • Fertile, moist soil enriched with compost is best for onion production.
  • Onions are claimed to ward off many insect pests around lettuce, cabbage and carrots.