House Plants - Offers information on air-cleaning and poisonous plants. Includes details toxicity and risks.
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.
September Song Nursery - Washington state nursery offering a range of house plants, including foliage plants, a variety of begonias, hoyas, cacti and succulents.
Virginia Cooperative Extension - House Plants from Seed - Discusses the benefits of seed propagation, how to plant the seeds and how to care for the seedlings.
Integrated Pest Management for House Plants - Contain information about common insects and mites attacking ornamental plants. Includes photos. By the University of Florida.
Poisonous House Plants - Caladium - Description of toxic effects.
Cat Fancier's Association: Plants and Your Cat - List of house plants which are poisonous to cats.
Brian's Garden - Horticulturist presents a collection of articles on house plants, outdoor plants, lawns, flowers, propagation, and pests, as well as a questions and answers section.
Flamingo Holdings - Grower, importer and wholesaler of cut flowers, house plants and florists sundries.
The Topsham Florist - Supplying cut flowers, house plants, floral arrangements and accessories, and balloons.
Fone for Flowers - Stockists of a selection of fresh flowers, bouquets, house plants, silk flowers and special occasion balloons. UK delivery aid.
Aurora Flower Shop - Florists based in Belsize Park offering hand designed floral arrangements, bouquets and house plants, vases and pots.
Dean's Garden Centre - Garden centre with branches in York and Scarborough, selling flowers, garden plants, gardening equipment, shrubs, trees and house plants. Includes information about their product range and the company.
Whiteleys Garden Centre - Retailers of plants, topiary specimens and house plants, garden furniture and final products, aquatics, and floristry; information about products and location.
BBC Gardening Message Board - Access to a range of bulletin boards, covering house plants, garden design, pests and diseases, allotment tales.
Charles Parent - Source of Organi Green, an odourless earthworm manure for house plants, shrubs, lawns, and gardens of all kinds.
Vers-Land - Sells extracts of manure-worm in liquid or solid form, for culture and hydroculture of house plants and potted flowers.
Mission Hills Nursery - Provides house plants, rose plants, garden fertilizers, pond supplies, tools, tutorials, and a costless newsletter.
Ah Sam Florist and Greenhouses - Offers floral bouquets, arrangements, house plants and orchids for local or national delivery. Includes product care and handling information and on-line ordering.
Hyde Park Garden Fair - Offers community garden sales in the spring and fall. Features dates and times, and resourcefulnesses of annuals, ground cover, container and house plants, herbs, shrubs, vines and roses, along with vegetables. | 
