Great links:

 

The Hosta Library is the largest and most comprehensive information resource for the Genus Hosta. It features photos of thousands of hosta cultivars and much more information.

Hosta library

 

The Hosta Lists represent a compilation of 109 individual lists that group hosta cultivars and species according to various characteristics.

Hosta list

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The My Hosta is a search by categories......this is under development.