- The Agriculture Network Information Center
AgNIC is a guide to quality agricultural information on the Internet as selected by the National Agricultural Library, Land-Grant Universities, and other institutions.
- Curtis’s Botanical Magazine
Antique illustrations of native plant species from around the world. The U.S. Department of Agriculture has created a database from the information found in Curtis Botanical Magazine (published 1787-1807). Use the search feature to find plants by common name, species or location.
A database offering over 7,000 pictures of flowers and plants. Users can search for pictures using either botanical or common names (the latter in English, Dutch, German, Spanish, French, or Italian).
- Glossary of Roots of Botanical Names
Did you know that ‘Lavender’ (Lavandula) comes from the Latin word ‘to wash’? Ever wonder why the daylily is called Hemerocallis? Or what angustifolia means? Here are over 1,000 root word of botanical names from a- to zyg-.
- Identify America’s Common Trees
This searchable site from About.com contains information to help you identify and name the 100 most common tree species native to North America.
- International Plant Names Index (IPNI)
A database of the names and associated basic bibliographical details of all seed plants.
- Ohio State University Plant Facts
Over 250,000 pages of fact sheets on plant-related topics from university and government sites and organizations in the United States and Canada. Also includes: a searchable database of high quality images featuring ornamental plants, turf, plant diseases and insects; a collection of 200 short gardening how-to videos; and illustrated answers to over 800 commonly asked gardening questions.
- PLANTS Database
The USDA’s PLANTS Database includes names, checklists, automated tools, identification information, species abstracts, distributional data, crop information, plant symbols, plant growth data, plant materials information, plant links, references, and other plant information.
- Bloomingfield’s Farm
Farm in Sherman, CT, specializing in organically-grown daylillies.
Request a free catalog, order your seeds and plants online, or sign up for free Burpee email updates. Use the garden wizard to find your perfect plant.
- The Cook’s Garden
Much more than just a catalog, this site provides information and advice about gardening.
- Edmund’s Roses
- Gardener’s Supply Company
An employee-owned company of avid gardeners providing innovative products, practical information, and friendly service.
- Gardens Alive!
Gardens Alive! is one of the country’s leading mail order companies dedicated to biological control of garden pests.
- Jackson & Perkins
Roses and more.
- Park’s Gardens
Commercial but informative.
- Seed Savers Exchange
Seed Savers Exchange is dedicated to preserving historic varieties of fruits and vegetables through the distribution of heirloom seed samples.
- Select Seeds
“Offers gardeners a fabulous selection of unique, high-quality seeds and plants, specializing in old-fashioned and fragrant varieties, flowering vines, and rare annuals.”
- Stokes Seeds
Their search engine allows you to search by variety, color, growing difficulty, as well as unique features like scented types, or varieties for canning, etc. Requires customers to register, then log in.
- Thompson & Morgan
Over 2000 fully illustrated varieties of seeds, most with descriptons and comprehensive sowing and growing instructions. This UK firm offers worldwide delivery.
- Twombly Nursery
Information galore about plants and gardening from this Monroe, CT-based nursery.
- Vermont Bean Seed Company
Vegetable, flower, and herb seeds and gardening supplies.
- Wayside Gardens
Unique perennials, trees, shrubs, roses, and bulbs. Sign up for their informative gardening newsletter and receive valuable news, gardening tips and advice via email.
- White Flower Farm �
Right here in Litchfield, CT! News, tips, an online catalog for plants and seeds, and links to other gardening information.
- Young’s Nursuries
With locations in Wilton and Woodbury, Young’s Nurseries have been listed as one of the top 100 nurseries by “Nursery Retail Magazine.”
- About: Landscape Design for Beginners
A straightforward, no-nonsense look at the ideas behind designing a garden, supplemented with pictures.
- The American Horticultural Society Heat-Zone Maps
The Heat-Zone Map divides the United States into regions of varying severity of summer heat (requires Adobe Acrobat Reader). “The 12 zones of the map indicate the average number of days each year that a given region experiences ‘heat days’-temperatures over 86 degrees (30 degrees Celsius).” The site has a Zip Code Zone Finder so users can determine their garden’s heat zone and choose plants accordingly. The heat zones complement the well-known system of USDA Hardiness Zones, which measures winter cold in a similar fashion.
- Better Homes and Gardens Gardening
Articles, videos, plans, discussion groups, and gardening guides.
- Clemson University Home and Garden Information Center
Hundreds of factsheets on Landscape, Garden & Indoor Plants; Insects, Plant Diseases & Other Problems; and Food Safety & Preservation.
- Connecticut Gardener
For 16 years Connecticut Gardener has been publishing the definitive resource on gardening in Connecticut, written by and for people who garden in and around our state.
- DIY Gardening
The Do-It-Yourself Network’s information includes a complete archive of articles.
- Garden and Forest: A Journal of Horticulture, Landscape Art, and Forestry
Digitized versions of all 10 volumes of this historic periodical. Contains over 8,000 pages with over 1,000 illustrations. Topics covered include horticulture, botany, scientific forestry, and national and urban park development.
- The Garden Gate
A carefully selected and well-organized collection of links to informative and interesting horticulture sites around the world.
A sizable collection of basic guide sheets for annuals, bulbs, perennials, vegetables, and herbs, each with a photo and basic planting and care information. Also included at this site are concise tips on topics such as raised beds, compost, container gardening, starting seeds, and vegetable companions.
- The Garden Helper
Step-by-step guide to gardening indoors. The plant index is searchable and browsable by either common or botanical name.
- The Gardening Launch Pad
GLP contains more than 1700 gardening links in 60 categories from information on African violets to a weed guide.
Magazine articles, a forum for questions, information on botanical gardens, wildflowers, and even a horticulture contest.
- My First Garden
For students and young gardeners.
- The Old Farmer’s Almanac
Essential information for gardeners past, present, and future.
- Seed Germination Database
Hints and instructions for germinating seeds from perennial garden plants.
- HGIC’s Plant Diagnostic Web Site
This University of Maryland site offers photographic keys to help diagnose and solve plant problems, using Integrated Pest Management principles. See also the University of Connecticut Integrated Pest Management site.
- Landscaping for Deer Control
Useful site for people who want to have an attractive garden in deer country, with lots of information on deer resistant plants and landscape design.
- USDA Regional Pest Management Centers
Links to the four regional pest management centers. Each provides links to information on reduced pesticide use, enhanced environmental stewardship, and sustainable systems.
- Pests in the Northeastern United States
Currently only insect pests of some vegetable crops are available on this site but expansion to diseases and weeds is planned in the near future. From Cornell University.
- American Public Gardens Association
Search by state or name for member gardens from coast to coast.
- Botanique: Portal to Gardens, Arboreta, & Nature Sites
The most complete Internet-available collection of addresses (and phone numbers) of publicly accessible gardens in North America, by state or province.
- Brooklyn Botanic Garden
Information about the Botanic Garden, a guide to local flora, and inspiring ideas for the gardener.
- Lady Bird Johnson Wildflower Center
Information about the Center in Austin, TX, its programs, services, and exhibits — with links to other native plant organizations and gardens with displays of regionally native plants.
- The New York Botanical Garden
Information about the New York Botanical Garden with links to garden education programs.
- Open Directory of Botanical Gardens and Arboreta
List of links to public gardens throughout the world.
- American Horticultural Society
Articles from The American Gardener and an invitation to join the Society.
- The American Orchid Society: OrchidWeb
OrchidWeb offers an online introduction to the art and science of growing orchids.
- American Rose Society
“Dedicated to the enjoyment, enhancement and promotion of the rose.” Includes an “ask the experts” section, a Rose of the Month (pictures and descriptions of selections going back to January 1996), rose care articles, a directory of more than 380 rose societies, roses recommended by the Society, and the national Rose Show winners.
- Botanical Society of America
Includes the BSA Online Image Collection, an outstanding teaching tool.
- National Gardening Association
Lots of gardening information and resources including sections on flowers & bulbs, fruits, veggies & herbs, home & hearth, lawns & landscaping, garden care & pests, and kidsgardening.com.
- Plant Conservation Alliance
Information on native plants, invasive plant fact sheets, and more from this collaborative association of 10 federal agencies and over 145 non-federal cooperating organizations.