Resources
Each county in the U.S. has a Cooperative Extension Service office, staffed with folks who work closely with university-based Extension specialists to answer questions about gardening, plant diseases and pest control. Visit the link and click on your state to find a local office.
For a fascinating look at tomatoes and everything you need to know about growing more than 200 varieties, check out Craig LeHoullier’s book, “Epic Tomatoes,” (Storey Publishing, 256 pages, $19.95).