Idaho's listed appellations are Snake River Valley, Lewis-Clark Valley and Eagle Foothills. Snake River Valley is a federally designated grape-growing region in southwest Idaho. Microclimates in Snake River Valley and Lewis-Clark Valley can ripen less-cold-hardy, late-maturing red grapes. Viognier can be lush and soft, and the state's wine industry now includes dozens of wineries and cideries.
Elsewhere in Mountain & Southwest
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- ArizonaNo producers listed yetArizona's three AVAs are Willcox, Verde Valley and Sonoita. Willcox leads the state in grape production, and growers work with almost 80 varieties.
- ColoradoNo producers listed yetColorado's vineyards sit at high elevations with short frost-free seasons and marked day-to-night temperature swings. Its warmer Grand Valley and cooler West Elks AVAs favor different grape choices.
- HawaiiNo producers listed yetHawaii includes the listed appellation of Ulupalakua. On Maui, MauiWine makes sparkling grape wine from vines grown on the island's largest volcano.
- New MexicoNo producers listed yetNew Mexico's AVAs are Middle Rio Grande Valley, Mimbres Valley and Mesilla Valley. High-altitude vineyards and a mix of European varieties, hybrids and newer influences mean there is no single regional style.