Seeds of some species of "ipê" were stored at different temperatures and the germination percentage was determined at forty-day intervals during thirty months. Seeds were subjected to the following conditions: storage in sealed flasks at 10ºC, 20ºC and 30ºC, and in paper bags at room temperature. The following species were evaluated: Tabebuia avellanedae var. paulensis Tol., Tabebuia chrysotricha (Mart. ex DC.) Standley, Tabebuia impetiginosa (Mart.) Standley, Tabebuia rosea (Bertol.) DC. e Tabebuia heptaphylla (Vell.) Tol. Among the treatments studied, storing seeds in sealed flasks at 10°C maintained seed viability for the longest period of time. The second best result was obtained when seeds were kept in sealed flasks at 20ºC. The germination of seeds stored in paper bags at room temperature was higher than that of seeds kept in sealed flasks at 30ºC which was the least favorable condition for seed storage. Among the species compared Tabebuia heptaphylla showed the highest longevity but also resisted better the adverse storage conditions.