| 04/06/2007 | NPIN’s Native Plant Database and Image Gallery become additional resource links on USDA Plants website. |
| 01/01/2007 | New and improved Native Plant Information Network makes its debut. All databases converted to MySql and pages to PHP. |
| 04/06/2007 | NPIN’s Native Plant Database and Image Gallery become additional resource links on USDA Plants website. |
| 01/01/2007 | New and improved Native Plant Information Network makes its debut. All databases converted to MySql and pages to PHP. |
| 02/10/2006 | Added Native Plant Society of Texas Image Special Collection to Image Gallery including 691 images by noted horticulturist, Benny Simpson. |
| 01/24/2006 | Added H. L. Blomquist Garden of Native Plants Special Collection to Image Gallery. |
| 11/25/2005 | Ask the Expert becomes Mr. Smarty Plants managed by volunteer Nan Hampton. |
| 08/10/2005 | Excluded non-native (introduced) species from search criteria in Native Plants Database. |
| 03/24/2005 | Added remainder of Image Gallery Plants to NPD. total number of species=7175. Second Melody Lytle image contribution added to Image Gallery. |
| 02/28/2005 | Completed conversion of eNature and Evergreen fields to NPD. Added Introduced Species filter to special collections. |
| 02/17/2005 | Added Introduced Species list to Special Collections under NPD. |
| 02/01/2005 | Converted Native Plant Bibliography database to online web application. Created Botanical Glossary using Loughmiller's "Texas Wildflowers" as foundation. |
| 01/18/2005 | Updated authorities in Native Plants Database using USDA PLANTS. Updated missing common names in Native Plants Database and in Image Gallery using USDA PLANTS. Verified Image Gallery Taxonomy using USDA PLANTS. Changed Native Status from ITIS to USDA convention in IG and NPD. |
| 12/20/2004 | Merged fields from eNature, Evergreen, and Chesapeake Bay Field Office to NPD bringing the total number of taxa to 5,280. |
| 03/31/2004 | Debut of Ask the Expert. |
| 01/16/04 | Fee-based listing service put into effect for National Suppliers Directory. |
| 12/01/2003 | Debut of National Events Calendar and revised National Organizations Directory. |
| 10/01/2003 | A completely redeveloped NPIN makes its debut. |
| 06/01/2003 | Wildflower Center received a $36,000 grant from the National Fish and Wildlife Foundation to begin Phase II of NPIN development. Center makes substantial improvements to NPIN. |
