I want to know how to get my 2 5 year old pineapple guavas (Acca sellowiana)to fruit.?

They are in 12 inch pots of John Innes No 3 compost, outside for the summer & in a cold greenhouse for winter. Do they need to be pruned to fruit & if so when & how?

Answers:
Feijoa sellowiana
Common Names: feijoa, pineapple guava
To produce fruit, feijoas need 100-200 chilling hours below 45º F (7º C). Heat stress in the summer may cause them to drop fruit prematurely.
http://www.floridata.com/ref/f/feijoa.cf.

Grooming: Pruning is not required to keep plants productive, but a light trimming in late winter will encourage new growth and increased yields the following year. When grown as a hedge or tree-let, the feijoa responds well to heavy pruning or shearing, but this reduces flower and fruit production.
http://www.maggiesgarden.com/plant_profi.

Happy Gardening~!
Many clones of that species are not self fertile. If you want to produce fruit you must have a plant of the opposite sex that you cross pollinate the blossoms with. Good luck.

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