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Assario grapes

by | Jan 3, 2018

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Assario is a high quality, Portuguese white wine grape variety which can be found in different wine regions across Portugal.

Assario grapes

Starting from Douro region as well as the regions of Dao, Beira Interior and Lisboa are covered by the Assario grape variety.

Assario is known under several synonyms especially Boal of Madeira and also used for creating several styles of wines.

Wines with Assario grapes


Assario, a very old variety is from the Douro or Dao region in Portugal. Boal in the Madeira Island is confusing because it is also used for various other white wine varieties.

In 2000, the official name adopted in Portugal for Assario was Malvasia Fina; however, the name Boal Branco is also confusing because it may refer to Semillon in the Douro.

Based from the DNA parentage analysis, Boal Ratinho from Carcavelos region is the offspring of Malvasia Fina and Siria.

Characteristics of Assario

Assario has medium – sized bunches and grapes. They are a little vigorous, commonly easy to grow and fairly susceptible to downy mildew and botrytis bunch rot, more to powdery mildew.

Assario is a late budding variety that is why it is not that dangerous to spring frosts yet it is also pretty early ripening.

Ripening of grapes is sometimes affected by a viticultural hazard called coulure as well as complicated water stress.

Wine grape varieties

Characteristics of Assario Wines

The wines made from Assario are subtle, not that intense, pretty fresh and moderately complex. There is also a hint of molasses, beeswax as well as nutmeg.

The wine appears moderately smoky even though it is not matured in wood having some delicate flavors and aromas as well as moderate acidity.

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Michael Bredahl

Michael Bredahl

Wine Writer

Michael is an online enthusiast, with a lot of knowledge about online marketing. Traveling around the world to hunt for the perfect wine. Latest on Sicily, where Etna has a huge impact on the taste, which is strong with a bitter aftertaste for the youngest wines, but older wines are fantastic. Drinking wine, and writing about them, are one the passions. Remember to drink responsibly 🙂

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