1. Kitchen Gardeners International: An online community for people who love food that’s seeking to empower them to practice self-reliance through the advancement of kitchen gardens, and sustainable food systems. Kitchen Gardeners International features forums, recipes, blogs and the ability for people to gather on a local level--either online or in person--for the exchange of information, networking, goods, tools, and coordinate events.
2 Chiot's Run: Chiot's Run, named after the family's dog, is a garden journal of a small organic garden in north eastern Ohio. Big, beautiful pictures about everything the gardener grows, from succulents to vegetables and herbs.
3. Royal Horticultural Society: The Royal Horticultural Society is the UK's leading gardening charity whose purpose is to promote horticulture and gardening. While aimed at gardeners in the UK the site offers blogs and forums, articles, and an amazing database of plants that any gardener can take advantage of.
4. You Grow Girl: Before garden blogs were even a thing author Gayla Trail blogged about her gardening pursuits. You Grow Girl recently downsized and removed the forums, but the blog the forums were built around is as strong as ever. You'll find unusual plants, recipes, beautiful pictures, and gardening tips.
5. Skippy's Vegetable Garden: Another garden blog named after a dog. I’ve been following Skippy's Vegetable Garden for years simply with the intent of creating a similar garden in my own yard.
This one features a small vegetable near Boston that always amazes me. It goes to show you that no matter the size of your yard you can grow a vegetable garden.
6. Mustard Plaster: One of my favorite garden blogs to see in my RSS reader. Mustard Plaster is better described as a museum of gardening curiosities with even stranger harvests of root crops, tomatoes and peppers from the blogger’s south east London garden.
7. Plants are the Strangest People: A humorously written blog about house plants, their selection and care. Plants are the Strangest People chronicles the house plant collection (with lots of detail) of one obsessive house plant grower in Iowa.
8. Bifurcated Carrots: An American couple living in the Netherlands chronicles their vegetable garden. Bifurcated Carrots is a blog for serious seed reading, politics that affect food systems, and discovering heirlooms.
9. Extension: Managed and maintained by the University of Illinois, Extension offers knowledge-based information on various topics by a collection of knowledgeable experts from a network of American universities. You'll find information on any garden-related topic you're interested in.