New Drought-Resistant Hops Could Save Czech Beer
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📰 The quick summary: Czech scientists have bred new drought-resistant hop varieties, offering a path forward for the country’s iconic beer industry as climate change brings hotter, drier summers.
📈 One key stat: Only about 25% of Czech hop farms are irrigated, making the vast majority highly vulnerable to the increasingly irregular rainfall that climate change is bringing to the region.
💬 One key quote: “I see a very bright future for Czech hops,” said Dr Vladimir Nesvadba, the Hop Research Institute’s top breeder. “We have bred new drought-resistant varieties – Saaz Shine, Saaz Comfort, and others – that are performing well on hop farms and in Czech breweries.”
1️⃣ The big picture: Czechia drinks more beer per capita than any other country in the world, and its famous Saaz hops are a prized ingredient in breweries far beyond Europe, with around 80% of yields exported abroad. Rising temperatures and more frequent droughts have put serious pressure on Saaz crops in recent years, reducing both yields and the alpha acid levels that give hops their characteristic bitterness. A brutal drought in 2022 alone caused Czech hop imports to the US to drop by roughly half. Scientists at the Hop Research Institute in Czechia have responded by breeding new climate-resilient hop varieties, including Saaz Shine and Saaz Comfort, that perform well under heat and water stress. With 2026 shaping up to be the driest spring in Czechia since records began in 1961, the urgency behind this work has never been greater.
2️⃣ Why is this good news: New drought-resistant hop varieties bred in Czechia offer a concrete solution to one of climate change’s quieter but real threats to agriculture and food culture. Breweries around the world that depend on Saaz hops can look forward to more consistent alpha acid levels and aromas, making it easier to maintain the quality of their products year after year. Beyond saving an existing crop, these new varieties open up the possibility of growing hops in regions previously considered far too hot and dry, like Sardinia, potentially expanding the global hop industry to entirely new areas. Protecting hop cultivation also means safeguarding the livelihoods of farmers and the cultural heritage tied to centuries-old brewing traditions. At a time when climate change threatens many agricultural staples, having proven, field-tested varieties ready to deploy gives farmers and brewers a real tool to adapt rather than simply endure.
3️⃣ What’s next: Researchers will continue monitoring how new varieties like Saaz Shine and Saaz Comfort perform across different farms and brewing conditions. Agronomists in other hot, dry regions, including Sardinia, are already exploring how techniques developed in Czechia can help them establish local hop industries. Estimates for how the 2026 harvest will fare under the driest spring since 1961 are expected to become clearer in June or July.
Read the full story here: The Guardian – ‘Saaz is our gold’: the Czech scientists breeding hops that can survive a hotter Europe
