Spring Fertilizer Supply Fears Grow as Iran War Chokes Key Shipping Route

The sudden U.S. military operation in Iran has turned the Strait of Hormuz into a bottleneck for the world’s top urea and phosphate exporters. With three of the top ten urea exporters and one of the five largest phosphate exporters now stuck behind a closed waterway, global fertilizer markets have felt an immediate price shock. This geopolitical shock compounds existing tightness caused by China’s decision to pause phosphate and urea exports until August and Europe’s reduced Russian gas supply, which together have already pushed nitrogen prices to historic highs.

North American supply chains are feeling the ripple effects. Retailers report empty shelves and are reluctant to purchase inventory at volatile prices, while farmers cite low grain margins and fear locking in inputs that could become loss‑making. The result is a classic chicken‑and‑egg dilemma: without firm purchase commitments, distributors cannot shoulder price risk, and without supplies, growers cannot meet spring planting windows. Experts stress the importance of proactive conversations with suppliers now, rather than waiting for price confirmations, and highlight on‑farm storage as a hedge against future disruptions.

Looking ahead, the industry watches for a U.S.-led naval escort that could secure vessel traffic through Hormuz, a move that would likely temper price spikes and restore flow within days. In the meantime, stakeholders are urged to accelerate spring fertilizer planning, explore domestic nitrogen production options—leveraging North America’s cheap gas and stringent environmental standards—and consider strategic on‑farm stockpiling. While building new nitrogen plants remains capital‑intensive, the current market volatility underscores the value of diversified supply sources and forward‑looking risk management for a resilient planting season.