Santa Maria Valley AVA

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Santa Maria Valley is an American Viticultural Area (AVA) which straddles the boundary of Santa Barbara and San Luis Obispo counties in California's multi-county Central Coast AVA. It was established on August 5, 1981, by the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) as California's second oldest AVA.[1][2] A portion of the AVA crosses the Cuyama River into the southernmost corner of San Luis Obispo County. The east-west orientation of the Script error: No such module "convert". with a wide, open valley and rolling hills means cool winds and fog flow in freely from the Pacific Ocean, settling most noticeably in lower-lying areas. The result is a mild Mediterranean climate that lengthens the growing season and contributes to the eventual sugar/acid balance in the grapes from Santa Maria Valley's Script error: No such module "convert". cultivated vineyards.[3] On January 28, 2011, the AVA was granted a Script error: No such module "convert". expansion to its southern boundary.[4]

History

Santa Maria Valley has a rich viticulture history in California. Grape-growing in the region dates back to the Mexican Colonial period of the 1830s.[5] Modern viticulture in the Santa Maria Valley dates back to 1964 when more than 100 acres of vineyards were planted in the Santa Maria Valley. The new growers believed the area could grow wine grapes to rival the Napa Valley. By the mid-1970s, established vineyards increased cultivation to over Script error: No such module "convert"..[6]

Geography

The Santa Maria Valley is a natural funnel-shaped valley opening west to the Pacific Ocean. The elevation of the area ranges from approximately Script error: No such module "convert". at the intersection of Highway 101 and the Santa Maria River to approximately Script error: No such module "convert". at Tepusquet Peak. The grapes that are grown within the area are on the valley floor at an approximate elevation of Script error: No such module "convert". and on the slopes and rolling hillsides up to an elevation of Script error: No such module "convert"..[6]

Climate

Santa Maria, California
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The Santa Maria Valley geography channels dense banks of morning fog from the Pacific Ocean that takes many hours to burn off, only to be replaced by chilly afternoon breezes. This “maritime fringe” climate lengthens the growing season and contributes to the eventual sugar/acid balance in the grapes from the region. Summer in the Santa Maria Valley is goose-bump season, with an average summer temperature of only Script error: No such module "convert"..[7] This is a growing environment that is a Region I on the Winkler Scale. As with most of Santa Barbara County, annual rainfall is very low in the Santa Maria Valley. The AVA averages less than Script error: No such module "convert". in non-drought years. Vines typically require Script error: No such module "convert". of water per year for dry-farming, therefore, irrigation is essential.[8]

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Soil

The soils range in texture from sandy loam to clay loam and are free from adverse salts. Soil variation can be broadly categorized into four types. Three types are within the original Santa Maria Valley AVA: the Valley floor, the Solomon Hills, and the foothills of the Sierra Madre Mountains, northeast of the Santa Maria River. The fourth is the southern expansion area. Along the northern portion of the Santa Maria-Sisquoc River colluvial soils cover slope sides giving rocky freshness to grapes grown throughout. Towards the river side, soils become unconsolidated as mixed alluvial soils appear.[1] The soils are mainly sand, sandy loam, and loam on the valley floor, but are mixed sandy, clay, shaly, and silt loams on mountain slopes. However, the soils in the expansion area are the same type as in the original Santa Maria Valley area. In the expansion area and on hills in the original viticultural area, the soils are sand, sandy, clay, and shaly loams.[9]

Varieties Grown

Due to the cooler mesoclimates, the valley is renowned for producing some of California's finest Pinot Noir and Chardonnay wines. These are the appellation's two flagship varieties.[3]

Expansion

File:Solomon Hills Rose (2).jpg
Solomon Hills Vineyard was one of the vineyards included with the expansion of the Santa Maria AVA.

On January 28, 2011, the TTB granted a petition to expand the southern border of the Santa Maria Valley American Viticultural Area (AVA). This expansion was intended to align with the physical watershed boundary of the Santa Maria River. The revised boundary approximately follows the ridge line dividing the Santa Maria Valley from the Los Alamos Valley. It lies in northern Santa Barbara County, according to the boundary description and USGS maps, and is entirely within the Central Coast viticultural area. The expansion added Script error: No such module "convert"., nine vineyards, Script error: No such module "convert". of commercial viticulture, and Script error: No such module "convert". under viticultural development to the area increasing its total size to Script error: No such module "convert"..[4]

References

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External links

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