Santorini, one of 18 islands in the Cyclades, lies some 70 miles north of Crete, and consists of the remnants of a massive volcanic eruption that took place some 3,500 years ago and destroyed the Minoan civilization on Crete. The centre of the former island collapsed into the volcanic caldera to form a central lagoon.
To cope with the hot and dry conditions and very strong winds, the vines are widely spaced (<2,500 plants/ha) and trained into an idiosyncratic basket shape (kouloura). Shoots are woven around the canes of previous years; after twenty years or so, the basket is cut off and another one is started from the same plant and root system. The basket traps humidity, and protects flowers and fruit from the sun, wind, and sandblasts. The baskets are able to sit on the ground because the young volcanic soils are inhospitable and there are no weeds or insects to contend with. As the soils do not contain any clay, they are immune to phylloxera: root systems can be centuries old, and vines are propagated by layering. However, yields are very low and all vineyard work must be carried out on hands and knees, making this a very expensive and potentially unsustainable form of viticulture. The nearby island of Paros, which is also buffeted by strong winds, has evolved a comparable training system called aplotaries, with the canes left to crawl on the ground.
Santorini is reputed for its crisp, dry, and mineral Assyrtico blends made from a minimum 75% Assyrtico completed by Athiri and Aidani. These ageworthy wines, with their notes of lemon and stone fruits, combine high acidity with high extract and moderately high alcohol, and, on occasion, a touch of oak. A richer, more exotic style called Nykteri is made from overripe grapes, with some skin contact and barrel ageing.
Most famous, at least historically, is the sweet vinsanto (‘wine from Santorini’, not to be confused with the Italian vin santo) made from a minimum 50% Assyrtico completed by Athiri and Aidani. Vinsanto must be aged for at least 24 months in oak. It can be made as a vin doux naturel, from late harvested grapes sun-dried for 12-14 days and fermented to a minimum of 9% alcohol; or as a vin doux (vin de liqueur) to a minimum of 15% alcohol. It is amber in colour with notes of dried citrus peel, apricots, raisins, figs, and sweet spice, together with high acidity and a touch of minerality.
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