Irrigation

AIDL
Offers a watering system for potted plants, combining a soil moisture sensor with water release mechanism.
http://www.aidlltd.com/

Botanicalls
Gadgetry designed to make phone calls to plant owners on behalf of their underwatered, overwatered, or satisfied plants. Sample phone calls and overview of kit.
http://www.botanicalls.com

Dotcom Enterprises
Provides water hoses made of the same material as firehoses.
http://www.econoflo.com/

Drip Depot
Sells drip irrigation kits, parts, and supplies. With online tutorial.
http://www.dripdepot.com

The Drip Store
Offering tubing, drippers and accessories, as well as a tutorial and help pages, and a drip forum.
http://www.dripirrigation.com

Drought Buster Easy Connect
Offers a simple device that attaches to a home downspout and harvests rainwater for use in landscape irrigation.
http://www.rainstonellc.com/

Flexy
Designed to repair damaged garden hoses. Corrects bent ends.
http://www.flexyco.com

Garden Gift
Decorative and functional water hoses, sprayers, and wands. Gift certificates available.
http://www.gardengift.com/

Hosewell
Subsurface storage well for garden hoses.
http://www.hosewell.com/

Interploy Irrigation
Provides complete irrigation and watering solutions for gardens, hanging baskets and greenhouses.
http://www.interployirrigation.co.uk

Mr Drip
Sells sprinkler and irrigation accessories and supplies. Also offers garden decor, fountains, gazing balls, and planters.
http://www.mrdrip.com

MyReels.com
Sells products designed for the storage of garden, air, utility, and pressure washer hoses.
http://www.myreels.com/

The New England Rain Barrel Company
Sells rain barrels. Discusses its proper use and why to use.
http://nerainbarrel.com

Rain Barrel by Aaron
Barrels to collect and store rainwater, which can be used for irrigation and lawn care.
http://www.ne-design.net/

RainBarrelUSA
Custom molded barrels to collect rain water for conservation.
http://www.rainbarrelusa.com/

Sayegrow
Features a deep-root watering system for trees.
http://www.sayegrow.com

The Trickle Ring Company
Sells a drip irrigation ring designed to attach to a garden hose.
http://www.tricklering.com

Watering Made Easy
Sells an underground lawn sprinkler. Designed for unattended use.
http://www.wateringmadeeasy.com