House Plants

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

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

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

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/

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

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

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

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

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

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

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

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

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/

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

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/

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/

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

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

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

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/

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

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

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

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

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

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/

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

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

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

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

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