Butchart Gardens National Historic Site of Canada featuring a 55 acre garden located in Greater Victoria on Vancouver Island.

Companion Planting Guide (PDF) A comprehesive chart of companion plants, courtesy of "The Smiling Gardener" ( http://www.smilinggardener.com), Phil Nauta. the chart also shows antagonistic plants that you should avoid planting near each other. There's also a side section that shows how to repel pests with plants.

Compostguide.com Complete guide to composting.

davesgarden.com Extensive plant database, resource website links and a garden forum.

Desert Survivors Tucson retail outlet for native plants, but what makes it unique is that many of its employees are adults with disabilities. It was founded in 1981 by Dr. Patterson, a Tucson psychologist. The nursery grows and sells only bioregional species that are found within 500 miles of Tucson.

Diamond JK Nursery Nursery in Sonoita, AZ which specializes in native and native adaptive plants for the arid desert of the Southwest. They also carry plants that do well in the arid desert elevation such as fruit trees, shade trees, shrubs and bedding plants. Their site includes a summary of selections, including yard art and pots. There's also recipes from the garden and an article on how to protect plants from deer.

Doug Green's Garden An author who has been writing about gardening topics for the better part of 30 years (all organic gardening) and shares what he's done- where he's taking his gardens and sharing gardening hints too. Complete with e-books, videos, a blog and numerous gardening topics.

Flowers Across Sydney Florist Blog Orchid Growing for Beignners: The Definitive Guide.

FTD by design Types of Orchids: A Visual Compendium.

Garden Articles Exchange Articles by gardeners willing to share them for free.

GardenGuides.com A website full of ideas for plants to grow, garden designs, differing types of garden spaces, how to control pests and diseases and differing gardening phases throughout the seasons. There is a special section on organic gardening. There's also a resources section containing a plant dictionary, search area for gardens and garden walks around the United States and Canada, a section that talks about tools and an area where gardeners can compare gardening events in their areas. The site is full of articles and videos on gardening.

Great Plant Escape Website for kids who want to learn about plants. This link takes kids through "cases" with clues, experiments and problem solving on plant parts, growing seeds and bulbs, soil components and other gardening topics. There's also a great glossary of plant and gardening terms and a wonderful link page for more kids gardening sites.

Helpfulgardener.com Articles, a question & answer section and a garden forum.

Herb Gardening A wealth of information on how to grow various herbs that can be harvested for culinary or medicianl purposes. It provides the necessary growing information for many popular herbs such as their ideal pH, soil requirements, suitability for container and hydroponic cultivation, watering needs, potential pest problems, and much more.

Herbarium of the University of Arizona, Tucson Database of over 400,000 plant specimens, most from Arizona.

Herbarium of the University of Arizona-South, Sierra Vista The Cochise County Herbarium is located in the Plant Science Center, Cochise County Cooperative Extension, at the University of Arizona Sierra Vista. The sky islands and San Pedro River contribute to the unique habitats found in Cochise County. The CCH records and is a repository for plant species from these areas, reflecting the variation and diversity present in Cochise County and surrounding areas.

History of Gardening Timeline Historical information from the fields of gardening, horticulture, farming, agriculture, botany, natural history, and ecology.

Home Gardening, an Online Guide a wonderful site filled with articles on everything to do with gardening. You can browse through their most popular articles or go to a specidic category, such as growing fruit trees and berries, flower gardening, vegetable gardening, gerden layouts and design, etc.

Houseplant Guide A comprehensive website on houseplants, including an A-Z encyclopedia on houseplants, pests and diseases or housplants and even 10 easy houseplants that are almost imposible to kill.

Kew Gardens Kew Royal Botanic Gardens, London England.

Kitchen Gardeners International Promotes the localist food of all, globally. It is a nonprofit group, founded in Maine. It's mission is to empower individuals, families, and communities to achieve greater levels of food self-reliance through the promotion of kitchen gardening, home-cooking, and sustainable local food systems.

Local Harvest The best food is what's grown closest to you. Use their website to find farmers' markets, family farms, and other sources of sustainably grown food in your area, where you can buy produce, grass-fed meats, and many other goodies. Our link is set to Tucson AZ, but remove the /tucson-az and go to your local area.

Love of Roses.com A roses and gardening site with lots of pictures of roses, categorized by color and also of rose gardens. There's also information on growing roses, the differing types of roses, making potpourri and even some rose poetry.

Master Gardeners, Cochise County research based horticultural information appropriate for Cochise county environments about gardening, food production, landscaping, native plants and environmental stewartship.

Master Gardeners, Pima County provides outreach and education to southeastern Arizona and beyond. Publish a monthly newsletter which provides information on initiatives and outlines the scheduled events and classes for this non-profit, volunteer based extension of the University of Arizona. Besides their website, they also manage a facebook site, which is available to anyone. The site includes links to gardening bulletins and group activities. It can be seen at http://facebook.com/pimamastergardeners.

National Gardening Association News, expert advice and references for US gardeners.

Nature Wide Images A website with wonderful images and some good suggestions on attracting birds, butterflies and other wildlife to your yard.

Orchids - How To Grow How to grow and care for orchids including tips and information to grow eye-catching orchids.

Organic Gardening part of about.com's series, this one with information on starting and maintaining and orgainic garden, dealing with dieases, pests and weeds organically, composting and building the soil, permaculture and other interesting topics for those wanting to garden organicaly.

Organic Kitchen Huge resource for organic food producers, restaurants, markets, vineyards and organic. Also has thousands of recipes.

Beyond Pesticides Fact sheets on pesticides as well as safer alternatives to pesticides. Also has several articles, a blog posting link and an area of safe companies and sources for safe pest management.

Pesticide Common Names More than 1100 official pesticide names have been assigned by the International Organization for Standardization (ISO), in accordance with an established system of nomenclature. This Compendium is believed to be the only place where all of the ISO-approved standard names of chemical pesticides are listed. It also includes approved names from national and international bodies for pesticides that do not have ISO names.

Poisonous Plants Informational Database, Cornell University.

Rain Barrel Guide How to use rain barrels for water collection.

R-O System Reviews Hydroponics for Beginners: Start growing your plants now.

The African Violet Society of America, Inc International society with members nationally and locally in the US. Has a magazine, events, library, faqs, and venders online.

Tucson Cactus and Succulent Society Membership news and events as well as a large database of cacti and succulents and a plants forum.

USDA PLANTS Database Provides standardized information about the vascular plants, mosses, liverworts, hornworts, and lichens of the U.S. and its territories.

Vegetable MD Online Cornell University site of vegetable diseases with pictures. Includes disease alerts and links to other sites of interest. there's also a plant disease diagnostic clinic.

Web Garden Horticulture and Crop Science in Virtual Perspective, originally developed by Ohio State University; now merged with several other collections. Includes images, videos, faqs. glossary and a search engine.

Wildflower Information Wildflower information with over 859 images. Wildflowers can be found according to botanical name or common name. Allows you to click on buttons that apply to your mystery plant and brings up possibilities. There are buttons for main flower color, flower petal number, leaf arrangement and division, state found in and more.

Wildflowers of Southeastern Arizona descriptions and photos of over 350 species of wildflowers from Tucson and surrounding Pima county Arizona. Has wildflowers coded by color and includes scientific and common names. there's also a section on poisonous plants and links to to other wildflower sites.