Hemeroholics
Where data science meets the garden
We're passionate daylily enthusiasts leveraging data science and modern web tools to make daylily breeding more accessible — empowering breeders from beginners to experts with data-driven decisions.
Smart
Breeding Tools
Data
Driven Breeding
Open
Access Resources
Explore
What We're Building
Tools and resources designed to push daylily breeding forward through technology and open collaboration.
The Visualizer
Search 104,000+ cultivars, map over a century of parentage, and see how traits move from parent to seedling — built for hybridizers.
Explore the toolBreeding Blog
Insights on hybridizing strategies, data-driven selection techniques, and lessons from the garden.
Read articlesThe Newsletter
New articles, visualizer updates, and what we're learning in the breeding program — straight to your inbox.
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