Showing posts with label Extreme Viticulture. Show all posts
Showing posts with label Extreme Viticulture. Show all posts

Thursday, July 16, 2020

Extreme Viticulture: Sanctuary Vineyards Dorian Release

On September 6th, 2019 Hurricane Dorian made landfall in North Carolina causing widespread destruction particularly in Ocracoke due to reverse flooding from the Pamlico Sound. On that day in Jarvisburg, Sanctuary Vineyards scrambled to harvest and crush their remaining grapes -- succeeding up until they lost power late in the evening. These Tannat and Petit Verdot grapes then received the equivalent of a two-day cold soak maturation until power was restored a couple days later. After fermentation, the grapes were aged in new American oak and blended and bottled as Dorian.


In normal times viticulture is extreme in the Sandhill region of North Carolina - and not only from the threat of hurricanes - and particular for vinifera grapes.  Humidity, pests, and soil composition provide additional obstacles.  Pierce's disease is a struggle brought on by pathogenic bacterium fueled by humid conditions. The vineyards are planted on ancient sand dunes providing excellent drainage and some resistance to phylloxera but Sanctuary's vineyards receive additional nutrients from clam shells initially used for crop cover.  The Outer Banks also experiences intense heat and sunshine -- optimal for ripening grapes -- but require the breezes from the nearby Atlantic to cool the grapes at night.

The Dorian wine was officially released this last Saturday (July 11, 2020) with owner John Wright donating a portion of these sales to the Ocracoke Interfaith Relief & Recovery Team. In Ocracoke, the wine is available at Zillies and most likely enjoyed during the amazing sunsets across the sound. Actually, the wine would benefit from a couple years aging, but for those opening young there is sufficient tannic structure to complement the dark berry and smoky fig profile.  Sanctuary Vineyards also producers a range of other estate-grown vinifera wines using Tempranillo, Viognier, Pinot Gris, Chardonnay, Roussanne, Albarino, Sauvignon Blanc, Cabernet Franc, Cabernet Sauvignon, Merlot, Malbec, and Syrah.

Friday, March 13, 2020

Extreme Viticulture: Combating the Spotted Lanternfly

Pennsylvania Department of Agriculture
Agriculture is at the heart of the wine industry and every wine region faces some type of peril. On the east coast, the newest threat is an invasive species native to China, Bangladesh, and Vietnam: the Spotted Lanternfly (also surfacing on the west coast as well).

According to Dr. Joe Fiola, of the University of Maryland Extension, the "pest was first detected in the United States in 2014 in Berks County, Pennsylvania and was accidentally imported from China through a shipment of decorative stone. The pest quickly spread and has decimated vineyards in southeastern Pennsylvania and has the capacity to inflict major damage to hop fields and hardwoods as well. Dr. Joe says the pest has spread into Maryland's Cecil and Harford Counties, West Virginia, and in Winchester Virginia at a stone and block company site. Here is how the University of Maryland Extension describes the damaged inflicted by the Spotted Lanternfly:
Both nymphs (immatures) and adults of spotted lanternfly cause damage when they feed, sucking sap from stems and leaves. This can reduce photosynthesis, weaken the plant, and eventually contribute to the plant’s death. Additionally, spotted lanternfly feeding creates a sugary substance called honeydew. This honeydew, in addition to being attractive to ants, wasps, and other insects, is readily colonized by sooty mold, which can cause parts of the plants to become blackened and look unsightly.



So how do vineyard managers fight the pest, particularly when there are no known natural enemies for biological control? Dean Scott of Pennsylvania's Bergeist Vineyard is fighting the pest through spraying and the Virginia Cooperative Extension at Virginia Tech recommends a set of insecticides (E=Excellent, G=Good). They recommend the Pyrethroids - Brigade (bifenthrin) (E) and Mustang Maxx (zetacypermethrin) (G) and the Neonicotinoids - Actara (thiamethoxam) (E), Scorpion (dinotefuran) (E), and Admire Pro (imidacloprid) (G).

At the Vineyards At Dodon, in Anne Arundel County Maryland, the winery has taken preemptive measures according to Director of Client Services Regina McCarthy starting with removing several Tree-of-heavens (Ailanthus altissima) - a deciduous tree native to China, that the Spotted Lanternfly is particularly attracted to lay eggs on.

As a consumer, the best support you could provide is to continue to, or start to, imbibe local wines. At some point, you may become personally affected as these pests invade your backyards. At that moment you become the predator.  Here's how to identify the pest courtesy of Penn State Extension.



Monday, August 26, 2019

Extreme Viticulture: DOC Colares Portugal

Wines of Portugal
Gusty, salt-laden winds that can burn leaves. Heavy autumn rains. Nutrient poor, sandy soils. These are the conditions faced by vineyards in the historic DOC Colares  - the westernmost wine region in Europe situated a couple miles from the Atlantic Ocean and within the greater Lisboa wine region.

Viticulture has been practiced in Portugal's smallest DOC since the mid-12th century and the growers have learned many tricks to combat the elements. First, they erect dried-reed fences to protect against the persistent wind. Second, when planting, up to 15 feet of sandy soil is dug away so that the vines are anchored within the more nutrient-rich clay layer. And finally, growers have learned to gradually supplement with manure-laden sand until the vines are productive.

The sand in itself provides two major benefits. First, it allows the autumn rains to drain quickly, but more importantly, the sand foils the phylloxera mites. In the mid-late 19th century when phylloxera was ravaging Europe's vines, vineyards in Colares were not affected as the mite can not survive in sandy or other loose-grained soils. Colares wine became the pride of Portugal even gaining the title "The Bordeaux of Portugal". In fact, the red Ramisco grape and the white Malvasia de Colares - which are only planted in Colares - may be the only Vitis vinifera grapes to have always been own-rooted.

Azenhas do Mar
At the time of the phylloxera epidemic plantings in Colares peaked at nearly 2,000 hectares but this figure has dwindled to only 20 or so hectares today. Obviously, as the European vineyards rebounded demand for Colares wine would slow but more recently the chief culprit has been real estate development.  The elderly owners of these small plots have financial incentives to sell to buyers interested in developing the beautiful coastline - particularly around Azenhas do Mar.

In the 1930s, when this decline began to be felt, the government decreed that growers must sell their grapes to the cooperative Adega Regional de Colares in order to maintain quality. Only wine from this cooperative could be called Colares. The cooperative is still the primary player today, but in 1994 the government allowed other Colares labels. One such is Adega Viúva Gomes, an entity that buys wine from the cooperative which it ages before bottling, and Casal do Ramilo, a four-generation grower expanding plantings where they will soon become the largest private producer of Ramisco from Colares.

While visiting Portugal, the best place to sample Colares wine is at the winery's themselves, but a terrific alternative is Binhoteca in Sintra - a Unesco World Heritage site. Here we were able to sample two Colares wines from Adega Regional de Colares and appreciate the affection that the staff had for the region. They described that despite the burdensome effects, the coastal environment also provides positive temperature-moderating effects slowing the maturation process (grapes are normally harvested in October) to create fresh, minerally driven, and elegant wines.


The 2014 Malvasia de Colares Azenhas do Mar ($40) is complex with both lemon and orange citrus, the sea, creamy oats, and decent acids. Similarly, the 2010 Colares Ramisco Azenhas do Mar ($40) provides salt characters (odd for a red wine), rich red cherry creaminess, and chewy tannins. A fantastic wine.

It's safe to say that Colares wines are rare in the United States but try José Pastor SelectionsChambers Street Wines, Astor Wines & Spirits, or NLC Wines.

Monday, August 12, 2019

Extreme Viticulture: Bodega Colomé's Altura Maxima Vineyard

Source: Bodega Colomé
Imagine an ideal grape growing region. This would most likely be a Mediterranean climate with abundant sunshine, hot days transitioning to cooler evenings, and a strong diurnal shift that extends the growing season and helps retain acidity. The vines would be planted in a mixture of rich volcanic soils or loess or porous limestone. Hail storms, wind chill, and frost would be non-existent threats. Basically Napa Valley.

Source: Bodega Colomé
However, viticulture occurs throughout the world where grape growers operate under very extreme conditions -- from high altitudes to northern frost to crushing heat and humidity. There are beachfront vineyards in Colares Portugal, vines buried several feet below the surface in Prince Edward Island Canada, and vines planted between 7,000 and 10,000 feet in Argentina's Salta's Calchaquí Valley. These high altitude vineyards face a greater risk of frost damage and most importantly, failure of the grapes to fully ripen due to wind chill.
Source: Bodega Colomé

Bodega Colomé is one of the oldest working wineries in Argentina and home to the highest vineyards in the world (excluding Tibet, which recently planted high altitued vineyards). Located in Salta's Calchaquí Valley, the winery was established in 1831 when the vineyards were first planted on original rootstock imported from Bordeaux -- and these vines are still bearing fruit today. In 2003, the winery planted a trial one-hectare vineyard practically two miles above sea level.

Source: Bodega Colomé
This Altura Maxima Vineyard (“Maximum Height”) is perched at 3,111 meters (10,207 feet) and receives greater sun exposure as well as a wider diurnal variation where the temperature ranges between 18ºC and 33ºC between day and night. The extreme altitude actually helps facilitate the uniform and balanced development of the grapes. But which grapes? According to Martin Coscia, Brand Manager for Hess Family Latin America and an expert in high elevation vineyards, "We learned rather quickly that varieties which required long ripening cycles were not going to work – so we turned to Malbec".

Source: Bodega Colomé
The inaugural release of the Altura Maxima Malbec occurred in 2012 with the current release being the 2015 Altura Maxima Malbec ($135). The wine was barrel-aged for 24 months but Coscia states that "the true expression of terroir in this Malbec comes from the extreme altitude as well as soil composition – alluvial, sandy soils with a high percentage of gravel.” He continues, “with a semiarid-desert climate, grapes receive much more sun, much less UV protection and produce thicker-skinned grapes that deliver a robust mouthfeel supported by fresh acidity with surprising finesse.”


The Altura Maxima Malbec is pricey, so for more budget-conscious consumers, Colomé also produces wine from three other high elevation vineyards: La Brava Estate (5,700 feet), Colomé Estate (7,500 feet), and El Arenal Estate (8,800 feet). These vines and grapes face the same challenges but also receive equivalent sun exposure and acid inducing diurnal temperatures. That being said the La Brave vineyard is known for providing intense and ripe fruit, the Colomé Estate lends complexity and weight, and the El Arenal vineyard yields elegance and freshness. These vineyards are reflected in the Colomé Autentico Malbec 2017 ($32) and the Colomé Estate Malbec 2016 ($28). Cheers.