Puccinia asparagi is the causative agent of asparagus rust. It is an autoecious fungus, meaning that all stages of its life cycle – pyciniospores, aeciospores, and teliospores – all develop upon the same host plant. Rust diseases are among the most destructive plant diseases, known to cause famine following destruction of grains, vegetables, and legumes . Asparagus rust occurs wherever the plant is grown and attacks asparagus plants during and after the cutting season. Asparagus spears are usually harvested before extensive rust symptoms appear . Symptoms are first noticeable on the growing shoots in early summer as light green, oval lesions, followed by tan blister spots and black, protruding blisters later in the season . The lesions are symptoms of Puccinia asparagi during early spring