Transition To Ecological Viticulture
With Zac Brown of Alderlea Vineyards
My guest for this episode is Zac Brown of Alderlea Vineyards in the Cowichan Valley on Vancouver Island, British Columbia, Canada. Zac grows an array of grapes in his vineyard, some that he has to spray multiple times every year, and some that he doesn't really have to spray but chooses to once per year. Zac grows resilient wine grapes (some PIWIs), side by side with more common vinifera, and he has direct comparisons between their resilience and performance in many ways. His findings are striking: the resilient hybrids out-perform vinifera in every measure, including fungal resistance, drought resistance, recovery from extreme heat and cold, and productivity... and the hybrids don't need to be sprayed to do this.
In addition to talking about the viticultural advantages to growing resilient grape varieties, we discuss wine making techniques for working with specific resilient grapes. Like any grape, they can make beautiful wine but each variety requires its own specific care in the winery to elicit its best flavors. Zac had some great insights for making wine with the varieties he grows.
Zac is at the forefront of a revolution - the dawn of the ecological era of viticulture, guided by biology. His mixed vineyard provides a great example of a way that the larger wine industry may begin to transition to a kind of wine that can withstand climate change... and be interesting, indigenous, and delicious.
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