Several links will show up more than once under different categories.
Progress - You caught us with our plants down!
We're still working on our worldwide directory of favorites.
Associations and Organizations
And Worldwide Friends
Garden Center - Landscaping and Maintenance in Paphos and Limassol, Cyprus
Begonia Gardens is the best place to order flowers online! Buy and send flowers to your loved ones.
is a free online
resource to teachers and schools.
The program provides volunteer scientists, resources, and activities to support innovation in teaching, learning, and mentoring.
Open education resources are shared for student-centered plant investigations that integrate scientific practices and big ideas in biology that meet the guidelines in the Next Generation Science Standards and other 21st century education standards.
National Agricultural Library
The National Agricultural Library (NAL) is one of five national libraries of the United States. It houses one of the world's largest collections devoted to agriculture and its related sciences.
Committed to providing high-value information and technical assistance to farmers, ranchers, Extension agents, educators, and others involved in sustainable agriculture in the United States. You can download tip sheets and publications free.
Improving horticulture in America as both a science and an art form
To promote botany, the field of basic science dealing with the study and inquiry into the form, function, development, diversity, reproduction, evolution, and uses of plants and their interactions within the biosphere.
Promoting new garden varieties with superior garden performance, judged in impartial trials in North America
Members gather informally throughout the year to visit gardens and nurseries in the Delaware Valley and beyond. Sponsoring seminars and lectures about plants - both hardy and tender - as well as ecology, design, propagation, and conservation.
At National Garden Clubs, we do more than just green your thumb. We connect you with people, plants, and programs that provide inspiration, information, and valuable resources.
Bees, Butterflies and Other Pollinators
Plant A Bee Garden
Pollinator information from the U.S. Fish and Wildlife Service
U.S. Forest Service – Comprehensive information on Pollinators
Beekeeping 101 Online Course
Bumble Bee Watch
-Conservation and research about Monarchs, including Monarch Waystation and tagging programs, and regional supplies of milkweed
American Butterfly Association - working to increase public enjoyment
and conservation of butterflies through education, monitoring, and
Start a Butterfly Garden
Xerces Bumblebee Conservation
Native Plants, Invasive Plants, Edible and Landscape Plants
The Wildflower Center was founded by former First Lady, Lady Bird Johnson and the actress,
Helen Hayes as the National Wildflower Research Center in 1982.
It is a signature piece of the First Lady's environmental legacy.
Audubon Native Plants Database
Cornell Plant Pathology Vegetable Diseases - Developed to provide access to the many Vegetable Disease Fact Sheets produced over the years by Media Services at Cornell. The addition of color photographs enhances the use of these sheets for plant disease diagnosis.
Dave's Garden PlantFiles - Tens of thousands of encyclopedic files on plants, bugs, and birds, as well as helpful articles by our gardening experts. You'll find everything you need help your garden grow
The Plants Database provides standardized information about the vascular plants, mosses, land lichens of the U.S. and its territories. Info on invasive plants has saved me from landscaping misadventures. TONS of info on this site.You can download hundreds of plant guides and fact sheets.
Department of Agriculture - USDA Plant Hardiness Zone Maps .
Invaluable when choosing plants and crops appropriate for your region
USDA Natural Resources Conservation Service
NRCS helps America’s farmers, ranchers and forest landowners conserve the nation’s soil, water, air and other natural resources. All programs are voluntary and offer science-based solutions that benefit both the landowner and the environment, and
can receive financial assistance from NRCS to make improvements to their land.
Keeping It Simple and Sustainable
No-Dig Gardening – Comprehensive information on raised beds, plantings, composting, pest control and other great gardening tips designed to make gardening more joyful.
Tree Hugger - Urban Farming
Find what you need to know about backyard chickens, beehives, rooftop gardens, and everything else for producing food at home
Tree Hugger is the only modern sustainability site that offers advice, clarity, and inspiration for both the eco-savvy and the green living novice
Topics such as How to Grow Your Own Food, How to Make a Living Wall, and more, with helpful step-by-step instructions with photos and videos.
The Black Urban Gardeners and Farmers of Pittsburgh Co-Op (BUGs) is a gathering point for black urban agriculturalists. We work with local black communities to grow food and to share black cultural traditions.