Stiff Gentian

About Stiff Gentian

Stiff Gentian, also known as Agueweed or Stiff Dwarf-gentian, is a resilient late-season specialist that adds a vibrant splash of violet to the autumn landscape. This annual or biennial species grows 1 to 2 feet tall, featuring distinctive four-angled, stiffly upright stems that branch near the top to support clusters of small, lilac to deep blue flowers. The blooms appear from August to October, providing a crucial late-season resource for pollinators. Native across much of eastern and central North America, it is often found in moist to dry meadows, wooded slopes, and calcareous openings. Its ability to adapt to various light levels and soil types makes it a versatile addition to native plantings. Stiff Gentian prefers full to partial sun and medium-wet to medium-dry soil. As a short-lived species, it relies on self-seeding for persistence; allowing the flowers to mature and drop seed is essential for maintaining its presence in the garden year after year.