The best advice for growing feijoas comes, not surprisingly, from expert growers. These nurseries may be able to assist you in purchasing plants (some are wholesalers so aren’t open to the public) but they also often provide a wealth of information to support your feijoa-loving green thumb efforts.
AUSTRALIA
Daleys Fruit Tree Nursery
New South Wales – the customer comments on growing are also invaluable
http://www.daleysfruit.com.au/fruit%20pages/feijoa.htm
Perrys Fruit & Nut Nursery
South Australia
http://www.perrysfruitnursery.com.au/
NEW ZEALAND
Elliotts Wholesale Nursery
North Canterbury – scroll down for excellent growing information
http://www.elliotts.co.nz/PLANTS/Feijoas/
Waimea Nurseries
Nelson – this link takes you to a fantastic brochure with loads of NZ growing info
https://commercial.waimeanurseries.co.nz/assets/Uploads/Comm-Feijoas/WAIMEA-Feijoa-Brochure.pdf
Palmers Garden Centre – Your feijoa questions answered
Great advice about feeding feijoas, guava moths and other pests, pruning and transplanting trees
https://www.palmers.co.nz/your-feijoa-questions-answered/
UK
Feijoas UK
The UK’s only feijoa farm
https://feijoas.uk/
UNITED STATES
Planting Justice
Oakland / Bay Area CA
https://plantingjustice.org/shop/?s=feijoa
Bay Flora
Bay Area CA
http://bayflora.com/pineappleguava.html
One Green World
Portland OR
https://onegreenworld.com/product-category/fruiting-shrubs/pineapple-guava/