| All About Hydrangeas: Enthusiast shares photographs and information about classification, culture, propagation, and pruning. |
| ColorChoice: A brand applied to cultivated varieties of flowering shrubs. Photos and descriptions of recent introductions, care information, and sources. |
| Gardens Galore: Information on the cultivation and pruning of woody plants in the weather conditions of County Cork, Ireland. Also listings and reviews of gardens open to the public in Cork. |
| Hairy Manzanita: Information on a Pacific Northwest shrub, Arctostaphylos columbiana. |
| Hydrangeum: Belgian Hydrangea society presents information about its collection and show garden, plant botany, and several illustrated articles. [Dutch/English] |
| List of Shrubs for Problem Identification: Illustrated answers to problems with shrubs. |
| Mountain Valley Growers: Laurus nobilis: Online source offers extensive information on cultivation, history, and characteristics of this shrub, with links to other resources. |
| Pete's Hydrangeas: A place for hydrangea enthusiasts. Information about propagation, growing, drying, encouraging blossoms, and a forum. |
| Spring Shrub Color: Descriptions of spring blooming shrubs organized by height. Links to summer, fall and winter shrubs. |
| Trees and Shrubs: Features FAQs answered by the North Dakota State University. |
| Trees and Shrubs: Articles dealing with various topics about trees and shrubs. |
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