Pineapple Guava-Feijoa sellowiana, Blooming, Fruiting Shrub (Full-gal.) Pineapple Guava-Feijoa sellowiana, Blooming, Fruiting Shrub Flowers are sweet and edible and appear from about May through June. Feijoa is remarkably pest-and disease-resistant. The green fruit develops a sweet fragrance even before it fully ripens in the fall. Full sun to part shade Zones 8-10. We offer these in 3-4 inch pots, full gal., and 5-gal. This offering is for a full-gal container. Our processing time is 3-5days or sooner, then item is sent bare root via USPS Priority Mail.