Smithsonian Institute Department of Botany
School Garden Wizard
National Wildlife Federation – has great gardening information about NWF’s Certified Wildlife Habitat® program and other tips for gardening and wildlife.
MO Plants -website of Maureen Gilmer.
Herbarium Landscape Design &Consultation – herbs and herbal products.
Gardenguides – website for gardening.
American Rose Society
American Hemerocallis Society – also known as daylillies.
USDA Plant Hardiness Zone Map
State Trees and Flowers
Plants for WatchList Birds – resource from the Audobon Society.
Plants for Common Birds – information from the Audobon Society.
Native Gardening and Invasive Plants Guide
National Plant Database – provided by the United States Department of Agriculture. Contains plants of the United States.
Field Guides – Crawling with more than 5,500 species of plants and animals.
Companion Planting: Basic Concepts and Resources – A summary guide you can download from the National Sustainable Agriculture Information Service.