Spanish White Onion
Onion White Sweet Spanish Vegetable Seeds
$6.99$39.99 Select options

Onion White Sweet Spanish Vegetable Seeds


  • Heirloom, long day type.
  • Suitable for microgreens.
  • Globe grows up to 12 cm.
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Onion White Sweet Spanish Vegetable Seeds – Bulk & Heirloom

Onion White Sweet Spanish is a long day type variety that can be harvested early as bunching onions, or shallots, or grow to maturity.

  • Easy to peel.
  • Mild and sweet flavour.
  • Attractive, shiny, white globe.
  • Add to salads, broths & sauces that require a slight onion taste.

Growing Instructions

Row Spacing

30 cm apart

Plant Spacing

5 - 10 cm

Sowing Depth

1 cm

Germination Soil Temperature


Germination Days

10 - 12 days

Days to Maturity

110 days.

Planting Season

Plant in Autumn and Winter.


Full sun. Requires 10 - 12 hours a day of sun. Keep soil moist and well drained. 

Life Cycle

Hardy Annual 

Seed Germination Guarantee

Seed Guarantee

Seedmart Australia guarantees satisfactory germination rates for up to 3 months, after date of purchase. We offer a money back guarantee (or replacement) for seeds that have been stored correctly. To maintain the viability of your seeds, please store them in a cool, dry place. It is recommended that you store your seeds in an airtight container in your fridge.

Additional information

Weight N/A

Product Specifications

  • Botanical name: Allium cepa.
  • Non-GMO.
  • No chemical treatment.
  • Open pollinated, non-hybrid.
  • Heirloom variety: Sweet Spanish White.
  • Seeds per gram: Approx. 250 – 350.
  • We do not ship to WA or Tasmania due to quarantine restrictions.