House Plants

Poinsettia Care in the Home - Ohio State University Extension - Offers information on watering, light, temperature and reflowering.
http://ohioline.osu.edu/hyg-fact/1000/1248.html

Indoor Gardening - Insects/Diseases - Offers articles, news and briefs from the University of Minnesota Extension Service. Topics include bacterial leaf diseases, powdery mildew and root rot.
http://www3.extension.umn.edu/topics.html?topic=5&subtopic=163

Guide to Selecting Houseplants - NebGuide - Provides information for selecting plants based on environmental conditions. Includes a list of plants and their general requirements.
http://www.ianrpubs.unl.edu/epublic/pages/index.jsp?what=publicationD&publicationId=236

Air Plants - Offers growing and care advice for tillandsias: watering, lighting, fertilizing, mounting, propagation and FAQ.
http://plants.web-indexes.com/

Garden Web House Plants Forum - Offers a discussion forum. Topics include care, selection and sources.
http://forums2.gardenweb.com/forums/houseplt/

Houseplant Care Tips - Blog whose posts present care tips and guidelines for a variety of houseplants, with discussion in the comments sections.
http://houseplants-care.blogspot.com/

HPlants.com - Personal website offers care information and photos on a handful of commonly grown houseplants.
http://www.hplants.com

PlantOasis.com - Guide to house plants, featuring a directory of common species with basic information and a photo for each, articles about care and culture, and questions and answers.
http://plantoasis.com/

Avflower.com - Grower of gesneriads and succulents in Belarus offers personal articles and photo galleries of African violets, streptocarpus, and adeniums. Site in Russian/English/French.
http://avflower.com/

Spaths.com - Offers information about growing the Peace Lilly indoors. Includes care, varieties and FAQ.
http://www.spaths.com/

Caring for Flowering and Foliage House Plants - The Garden Helper - Offers information on topics including dish gardens, terrariums, indoor topiaries, repotting, pests and toxic plants. Includes a glossary, botanical names and guides to individual species.
http://www.thegardenhelper.com/houseplants.html

Houseplants - University of Illinois Extension - Offers information on topics including needs, selection, care, health and propagation. Includes types by botanical and common name and by light requirements.
http://www.urbanext.uiuc.edu/houseplants/

Interior Plantscaping with Large Houseplants - Offers instructions for massing green foliage indoors. Includes selections by lighting and problem diagnostics.
http://www.ag.ndsu.edu/pubs/plantsci/landscap/h1123w.htm

All About Houseplants - Collection of articles, tips, and links on basic houseplant care.
http://www.all-about-houseplants.com/

Extreme Indoor Gardening - Provides information on indoor gardening. Topics include the basics, troubleshooting and children's projects.
http://members.tripod.com/~maxsmom/mywebsite/

AllExperts House Plants - Offers answers to reader-submitted questions. Includes reader's ratings and comments.
http://www.allexperts.com/browse.cgi?catLvl=3&catID=721

House Plants - Offers information on air-cleaning and poisonous plants. Includes details toxicity and risks.
http://www.blankees.com/house/plants/

Fia's Pelargoniums - Offers information on raising pelargoniums in an apartment. Includes photographs.
http://hem.bredband.net/pelargonsidan/

House Plants: Proper Care and Problem Solving - Offers information about cultural considerations. Includes trouble signs and common infectious diseases.
http://www.ag.ndsu.edu/pubs/plantsci/landscap/pp744w.htm

Indoor Jungle - Offers techniques and feature articles on topics such as moss poles, winter problems and life spans. Includes FAQ, a photo gallery and a discussion forum.
http://www.wayswriter.com/indoorjungle/

PlantCare.com - Offers a database of over 2,000 species and genera of indoor plants. Includes common pests, photographs and a bulletin board. Paid subscription required for some information.
http://www.plantcare.com

Gardenline House Plants - Offers growing and care advice from the University of Saskatchewan. Includes growing from seeds, humidity, using pure water as well as detailed information for several specific plants.
http://gardenline.usask.ca/plants/index.html

I Can Garden Houseplants - Offers feature articles. Topics include repotting, seasonal tips, checking seeds and non-toxic pesticides.
http://www.icangarden.com/document.cfm?task=viewcategory&categoryid=37

University of Illinois Extension: Poinsettia Pages - Poinsettia history, facts, and care, including instructions for reflowering.
http://www.urbanext.uiuc.edu/poinsettia/index.html

Houseplant Hydroculture - Guide to growing houseplants without the use of soil: materials, nutrients, plant care, and FAQs.
http://www.hydro-culture.net/

My Hoyas - Includes photographs and descriptions of the author's hoya collection. [English, Swedish]
http://www.myhoyas.com

Misc-Houseplant-Exchange - Offers a discussion board for trading house plants. Includes some issue discussions.
http://groups.yahoo.com/group/misc-houseplant-exchange/

PlantSpecs - Offers planting, light, temperature and propagation information. Includes search by photo, scientific or common name.
http://www.plantspecs.com

Houseplants - Blogger in the UK presents lots of links to houseplant and other gardening news and topics, interspersed with occasional personal comments and experiences.
http://blogginghouseplants.blogspot.com/

Potted Plants - Offers information on identification and care. Includes articles on indoor bulb gardens, bonsai and safety. From Virginia Cooperative Extension.
http://www.ext.vt.edu/cgi-bin/WebObjects/Docs.woa/wa/getcat?cat=ir-ln-ig-pp

Indoor Plants - Terrariums - Offers tips on growing in transparent glass or plastic. Topics include containers, soil, placement and care.
http://hgic.clemson.edu/factsheets/HGIC1457.htm