SeedsHawaii.com
- Offers Hawaii-grown tropical seeds, cuttings, and seedlings, for foliage plants and trees, flowering plants, and palms.
- http://www.seedshawaii.com/

Vivero Anones, Inc.
- Online source for heliconia seeds, from a tropical fruit and flower farm in Puerto Rico.
- http://www.viveroanones.com

Aloha Seed and Herb
- Online sales of Hawaiian papaya seeds, as well as kava roots and plants. A larger selection of seeds is available to farmers and agribusiness.
- http://www.alohaseed.com/

CactiMex
- Distributor in Mexico offering seed for agaves, palms, cacti, and other desert plants, for shipment worldwide. Also ships plants within Mexico.
- http://www.cactimex.com/

Trebrown Nurseries
- Ornamental tree and palm nursery in Cornwall UK. Seeds of palms and cycads, bananas, succulents, and a variety of other ornamentals are offered for online sale worldwide.
- http://www.trebrown.com/

Palms, Etc.
- Located in Hilo, on the east side of the island of Hawaii, they provide seeds for tropical plants in small to medium quantities.
- http://www.jach.hawaii.edu/~maren/palms_etc/

Jungleseeds
- Specialising in tropical seeds and plants. Supporting products include propagators, heaters and portable greenhouses.
- http://www.jungleseeds.co.uk/

Thai Palm Seeds
- Palm seeds available from Thailand.
- http://www.thaipalmseeds.com/

Made In Africa
- Offers a variety of seeds for aloe species and hybrids.
- http://made-in-afrika.com/aloes/

The Palm Seed Center
- Palm seeds and bare-root seedlings in small, retail and wholesale quantities with a choice of online payment methods.
- http://www.palmseedcenter.com/

FineBushPeople
- South African grower and seller of protea seeds. Site includes cultivation instructions and other protea information.
- http://finebushpeople.co.za/

Caribbean Seeds
- Sells a range of exotic seeds for herbs, fruits, vegetables, and flowering trees.
- http://www.caribbeanseeds.com/

Digital Raingardens
- Offers seeds for a variety of plants, fruits and vegetables, specializing in tropical plants. Information and photos.
- http://www.raingardens.com/