Charlotte's Garden: Month by month tips on gardening and growing flowers, vegetables, houseplants, and some fruits and shrubs.
Garden Calendar: Daily tips for the home gardener from the University of Illinois Extension.
Gardening For All Seasons: Monthly gardening calendar with garden planting code, moon signs, holidays and events.
Greenfingers: UK-based site offering advice on tasks in various garden areas, tailored to the current month.
Monthly Gardening Tips : Fruit and Vegetables: Tips and chores for caring for fruit and vegetables.
Stateline Yard & Garden: Weekly horticulture news from the University of Illinois Extension.
Year-round Garden Projects Calendar: Monthly gardening projects and tasks, from Ed Hume.