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Types of onions

Types of onions

Different types of high-quality local onions are cultivated across Spain, each presenting unique features

SPRING

DIRECT SEEDING: Sept. – Nov.

TRANSPLANT: Oct. – Dec.

HARVEST: April – June

FEATURES:

  • Whitish or rather golden depending on the harvest and type.
  • Mild taste and particularly suitable for cooking, truly appreciated within the domestic market.
  • Suitable for export at the optimum harvest date dependent upon variety.


MEDIO GRANO ONION

DIRECT SEEDING: Nov. – Feb.

TRANSPLANT: Jan. – March.

HARVEST: June – Aug.

FEATURES:

  • Hybrid onion, particularly suitable for export, which resists typical temperatures of that period.
  • Whitish at the beginning of the harvest, but it browns within time.
     

GRANO ONION

DIRECT SEEDING: Jan.– March

TRANSPLANT: April –May

HARVEST: Aug. – Sept.

FEATURES:

  • The queen of long-day-variety.
  • It has an almost spherical shape and a golden or reddish colour, depending on subvarieties.
  • High culinary value. Excellent for handling and distributing to all markets.
  • Stored in a dry and ventilated environment. It is marketed until April or May.
     

SWEET

DIRECT SEEDING: Nov. – March

TRANSPLANT: Dec. – May

HARVEST: May – Sept.

FEATURES:

  • Depending on the variety, flattened and round.
  • Very light and, above all, with a pleasant, sweet taste. Almost not spicy.
  • Demand for this variety has grown rapidly in the last two decades.
     

RED ONION

DIRECT SEEDING: Sept. – March

TRANSPLANT: Oct. – May

HARVEST: May – Sept.

FEATURES:

  • The main quality of the red onion is its high antioxidant level, since they are a rich source of anthocyanins. These onions contribute to preventing cancer, heart diseases, preserving memory, and caring for the urinary tract.
  • It also reduces insomnia due to the presence of quercetin.
  • We have red onion of national production at your disposal throughout the year, in all harvesting periods.


WHITE ONION

DIRECT SEEDING: Sept. – March

TRANSPLANT: Oct. – May

HARVEST: May – Sept.

FEATURES:

  • Very suitable onion for export.
  • Its bulbs are usually globe-shaped or spherical. Very attractive due to its clean white colour.
  • Its culinary value is as high as the yellow onion’s one.
  • Most of the white onions grown in Spain are marketed fresh, with green leaf, as bunches or tender.


BUNCH OR TENDER

DIRECT SEEDING: Sept. – May

TRANSPLANT: Oct. – June

HARVEST: Jan. –Dec.

FEATURES:

  • Marketed fresh but with green leaf, thick stem, and a half-formed bulb.
  • This variety is extended throughout the national territory. Sustained growth due to the challenge of maintenance.


SHALLOTS

DIRECT SEEDING: Dec. – Jan. Microbulb. Jan. – April, direct seeding

TRANSPLANT: March –May

HARVEST: June – July, microbulb. July – Aug, direct seeding

FEATURES:

  • Shallots stand out culinary speaking, since they are a very versatile product, easy to incorporate into a vast number of recipes. They have powerful antioxidant properties due to a high concentration of flavonoids and polyphenols.
  • They are effective in preventing the growth of cancer cells, and cardiovascular diseases. They contribute to managing cholesterol and improving the circulatory system.
  • They hinder fat accumulation, thereby preventing obesity.
  • They feature antiallergic, antihistamine, anti-inflammatory, and antioxidant effects.
  • Like garlic and onion, shallots generate biochemical reactions which contribute to fight infections caused by viruses, bacteria, and common fungi.
  • Their taste and aroma lie between sweet and sour, spicy but more tender if cooked in comparison to garlic and onion.

Other high-quality local varieties are grown across Spain, presenting unique characteristics (shape, colour, sweetness, taste, etc.):

- Figueres Onion

- Fuentes sweet onion 

- Galician flattened onion

- Amposta purple onion

- Onion Red Zalla

- Horcal onion

- Onion blanca tardia de Lerida (fresh Calçots)

- Mallorcan onion, known as the stir-fry onion

- Canarian traditional onion (Guayonje, Masca, and Lanzarote).

These varieties are marketed both with dried or fresh bulbs