Cattleya Culture
Although cultural requirements vary greatly in the Cattleya Alliance, this site offers good general information on the basic needs of most species in the Cattleya Alliance.

Macara Orchids
Information on culture, hints, tips, pest and diseases. Topics aimed at New Zealand, but most will be relevant anywhere.

Kitty_ni Orchids
Cultural information and photos of orchids being cultivated in Nicaragua. Most can be found in the wild in their natural environment.

Orchid Species Culture
Pollination/germination database for producing orchid seeds, orchid culture files, and information about a service that provides culture sheets on a subscription basis.

OrchidPlanet
Includes news, photographs, calendar of upcoming orchid events and cultural tips.

BellaOnline Orchids
Features weekly articles, book reviews and links.