Several years' studies on germination of Catharanthus roseus seeds (Apocynaceae family) are presented. It was found that in Polish climate conditions the hydroponie cultures in the greenhouses are the best method of Catharanthus roseus seed cultures. In these conditions the plants develope and blossom well and abundantly set seeds. The conditions of laboratory estimation were established. Periodical, every month studies of germination ability of seeds from several years showed that in the first year after crop the seeds germinate very well (90-100%). Vitality of seeds keeping in paper bags in the room temperature is al the same level during the following 3 years. In the next years (4 and 5) it depends on weather in the year in which the seeds were set. The seeds maintained the germination ability at the same level or they decreased it even to 35%. Only the seeds keeping in the freeze (-10°C) lose their vitality after 3 years.
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