Reference Information
There’s a lot to discover when it comes to irises—and we’re here to make it easier. Below, you’ll find helpful information on bloom times, terminology, iris types and heights, and essential care tips.
If you’re looking for something specific or have additional questions, feel free to reach out. We’re always happy to assist!
Details on what to expect when receiving irises from ACF, cleaning, packaging, and care on arrival.
Step-by-step guide to planting and maintaining healthy bearded irises.
Tips for encouraging reblooming, with climate-specific guidance.
Overview of seasonal bloom periods and what influences timing.
Amethyst Creek Farm’s unique rebloom scoring system, explained by zone.
Definitions and examples of TB, IB, MDB, SDB, and more.
Learn about our role in the national effort to preserve rare and endangered iris varieties through the Historic Iris Preservation Society’s Guardian Gardens initiative.
Guide to plicata, amoena, bitone, self, and other color styles.
Links to major iris societies and learning resources.
Alphabetical glossary of common iris terms and jargon.
Diagnosing and treating issues like rot, poor bloom, leaf spots, etc.
Anatomy of an Iris - COMING SOON!
Educational content with diagrams/photos of iris parts, growth cycle, and how to divide.
Iris Awards and Medals
Learn how irises earn national recognition through a tiered system of honors — from Honorable Mention to the prestigious Dykes Medal. Explore what each award means and why it matters in the world of iris cultivation.