Old MacDonald Had a Penthouse
- Article on rooftop vegetable gardens in New York City. Includes a slide show.
- http://archive.at.or.at/clippings/1999.08.12_roofgarden/

The Rooftop Garden Project
- Promotes rooftop gardening in Montreal and around the world, through information and a demonstration garden. Publications, events, techniques, and resource listings.
- http://rooftopgardens.ca/

Do It Yourself: Watering and Irrigation
- How to customize a drip irrigation system for a rooftop garden.
- http://www.diynetwork.com/diy/sw_watering_irrigation/article/0,2029,DIY_14372_2270534,00.html

Food Share: Rooftop Gardening
- Includes introduction, garden types, considerations, soil, water, plants, containers, and links.
- http://www.foodshare.net/toolbox_roof01.htm

Building a Rooftop Vegetable Garden
- Guide to building a simple container garden without soil.
- http://edu.beelink.com.cn/20041012/1698105.shtml

Sunset: Heavens Above
- Profiles of gardens in San Francisco and Seattle with a focus on containers.
- http://www.findarticles.com/p/articles/mi_m1216/is_1997_Spring/ai_56064850

Sfgate.com: Rooftop Pleasures
- Guide to publicly accessible gardens in San Francisco.
- http://www.sfgate.com/cgi-bin/article.cgi?file=/gate/archive/2002/05/25/rooftops.DTL

Flower & Garden Magazine: Up On The Rooftop
- Article by Keith Corlett with an emphasis on highscaping in New York City.
- http://www.findarticles.com/p/articles/mi_m1082/is_4_44/ai_63398200

Greenroofs.com: Greenroofs 101
- Includes FAQ, plant lists for Europe and the US, advantages and issues, and a bibliography.
- http://www.greenroofs.com/Greenroofs101/index.html

Peggy Notebaert Nature Museum: Making Your Roof Green
- Includes design considerations, construction with photographs of the museum garden's development, plants, tips, and links.
- http://www.naturemuseum.org/greenroof/planningaroof.html

Castleberry Hill Chronicle: Our Secret Gardens
- Article on the rooftop gardening activities in an Atlanta neighborhood. Includes photographs.
- http://www.castleberryhill.org/chronicle/fall03.pdf