Living Landscape Function Calculator

Online Resource of Plant Functions

Shared with the permission of Timber Press 

Support our Mission

The Living Landscape Function Calculator includes plant databases from across the United States. The tool is free but users must register with their email address. 


Creating an account and donating supports the upgrading of the databases and allows members access to ongoing research. 


Our Blog and Resource pages will be regularly updated with the ever-expanding network of native plant growers, designers and researchers.



Environmental Metrics Unlimited (EMU) is a 501(c)3 nonprofit entity, started in October 2017, in association with The Urban Affairs Coalition in Philadelphia.



EMU’s slogan is; “Data to Dirt.” It brings the research and field experience of diverse sources into a website. This will make available easy to use information that will help to guide the creation of ecologically diverse and resilient gardens that support bees and butterflies and enhance food webs to support healthy bird populations.  


Many Thanks!


We would like to thank our Contributors

who have helped bring this website to life!

All contributions are tax deductible.

Nicole Jackson $500

Mary Ann Boyer $150

Nancy Boyer $150

Anna Herman $100

Doug Tallamy $50


William Wagner $300


We would like to thank our partners

who have helped guide this development process.

Timber Press

North Creek Nurseries

Cavano’s Perennials

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