Encyclopedia of Plants - A complete resource, providing information regarding the general description of plants, methods of cultivation, soil and temperature requirements, pruning and other details.
Farmer's Almanac - Gardening, weather, best days, full moons, and more.
GardenGuides - Grow vegetables year-round? Self healing through rock gardening, fall garden chores, why do my roses have yellowing leaves, how do I create a festive fall container display?
Gardening Resources from the National Gardening Association
Internet Public Library: Home & Garden - Large list of categorized links.
Oklahoma Biological Survey - Catalog of the Woody Plants of Oklahoma, including descriptions and range maps.
Oklahoma Department of Agriculture, Food & Forestry: Consumer Protection Publication and Forms.
Oklahoma PLANT ID - Identify Oklahoma plants with this database.
Oklahoma Plant Trees - How to plant and maintain trees in Oklahoma.
Oklahoma Proven Plant Selections - Superior plants recommended for Oklahoma.
PLANTS Database | USDA PLANTS - Provides standardized information about the vascular plants, mosses, liverworts, hornworts, and lichens of the U.S. and its territories.
Plant Facts - Factsheet Database - Answer your plant related questions by searching a database with fact sheets from 46 universities and government institutions.