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Native Plant Information Network

NPIN Resources

Welcome to the Native Plant Information Network (NPIN). Our goal is to assemble and disseminate information that will encourage the sustainable use and conservation of native wildflowers, plants and landscapes throughout North America. NPIN is designed to inform a broad audience ranging from members of the general public such as homeowners, wildflower enthusiasts, and gardeners to practicing professionals such as botanists, land managers, and government personnel.

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Native Plant Database - 25,199 Species

With horticultural and botanical information on thousands of native plant species, the Native Plants Database is the largest plant database of its kind in North America. A simple and efficient interface allows users to find plants by name, flower period, distribution, growing conditions, growth form or a combination of traits.

Native Plant Image Gallery - 82,856 Images

The Plant Image Gallery is one of the largest plant image gallerys in North America and the most visited feature in NPIN. As the gallery grows, so too does the number of requests for plant images from publishers, educators, scientists, and the public. Thousands of NPIN images have been distributed for use in books, magazines, brochures, and educational materials.

Ask Mr. Smarty Plants - 10,103 Questions & Answers

Ask Mr. Smarty Plants allows web visitors to submit or review plant questions online. Compared to the old email-based system of individual response, Ask Mr. Smarty Plants has several advantages including better tracking and wider distribution of information. Do you want to start a water garden but don't know how? Want to stop your neighbor from mowing your wildflowers? Help is just a click away! Ask Mr. Smarty Plants or search our extensive database of frequently asked questions and answers!

How To Articles - 26 Articles

Whether you are thinking of using native plants in your own landscape, around your business, or at your local school, our How To Articles have the information you need to get started. How To Articles - Don't know where to start, try one of our articles.

National Suppliers Directory - 952 Suppliers

In many areas, it can be hard to find a commercial source of native plants, or landscapers experienced in designing with them. To address this problem, the Wildflower Center has established the National Suppliers Directory connecting North Americans businesses that sell native plants or seeds or provide professional landscape services.

National Organizations Directory - 650 Organizations

As much as we would like everyone to visit the Wildflower Center, we realize there is a need to connect people with like-minded, plant-related organizations in their own area. The National Organizations Directory fills this need by providing information on native plant societies, conservation groups, garden clubs, and botanical gardens across North America.

Native Plant Bibliography - 1,622 Books

The Native Plant Bibliography was compiled to make it easier to find floras, field guides, and other native plant publications appropriate for your area. When you find a book you like, you can purchase it from our store or from

Recommended Species

Find native plant species by state or special collection. Each list contains commercially available species suitable for gardens and planned landscapes. Once you have selected a collection, you can browse the collection or search within it using the combination search.

NPIN Mobile

It's NPIN Mobile to the rescue. Starting now, you can access the Native Plant Information Network with your web-enabled smartphone. When you pull up the application, four choices appear on your screen—the Native Plant Database, the Image Gallery, Mr. Smarty Plants and "Help Us Grow" which allows you to make a financial contribution to support the Native Plant Information Network.

Glossary of Botanical Terms - 279 Terms

Glossary of commonly used botanical terms and their definitions.

Digital Herbaria - 1,161 Specimens

Many small regional herbaria across the country are without curators and are little used. Combined, these collections could provide several decades of information about plants found in different regions of the country: the distribution of natives, the changes in their growing environments, their ability to survive in drastically changing landscapes among non-native invaders, and more.

Wildflower Center Seed Bank - 718 Collections

The Wildflower Center's seed bank contains seed of Texas species collected under the auspices of Seeds of Success (SOS) established in 2001 by the Bureau of Land Management (BLM) and the Kew Millennium Seed Bank (MSB) project in partnership with the Royal Botanic Gardens.

Wildflower Quiz

Select a quiz from the different skill levels to test your wildflower knowledge.