University Links - PGRs
University websites with extensive greenhouse PGR information.
- University of New Hampshire - Floriculture PGRs
- This website has both an online PGR rate calculator and downloading options for phone apps.
- Virginia Tech University - Floriculture PGRs
- An extensive list of PGR publications, including a free iBook about PGRs.
- Purdue University - Floriculture PGRs
- PGR articles are listed separately for research and extension.
- Michigan State University - Floriculture PGRs
- An extensive listing of PGR related work conducted at Michigan State University.