Arizona has three AVAs: Willcox, Verde Valley and Sonoita. Willcox is the state's leading grape-producing area. Growers work with a wide range of grape varieties. An AVA is a defined American grape-growing area.
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Elsewhere in Mountain & Southwest
- 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 favour 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.
- IdahoNo producers listed yetIdaho includes Snake River Valley, Lewis-Clark Valley and Eagle Foothills. Microclimates in the two valleys can ripen late-maturing red grapes, while Viognier can be lush and soft.
- 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.