- You will get 20 Seeds of Pink Guava Psidium Guajava Fruit Seeds. - Genus: Psịdịum. - 20 Pink Guava Seeds Psidium guajava. - Guava is a small, single or multi-trunked trees to 20 ft in height with a broad, spreading or upright canopy. Trees may be single or multi-trunked. The bark of the trunk is attractive with a mottled greenish-brown to light brown color. - Pink guavas are a rouge-fleshed, tropical variety of Psidium guajava. - Germination can take up to 8 weeks.