As temperate plants, grape vines need periods of dormancy during their growth, and the stimulation of low temperatures. In Costa Rica's natural environment they cannot flower or set fruit normally.
屬於溫帶果樹的葡萄，其特性是在生長過程中需要休眠與低溫的刺激，在哥國的自然環境下，葡萄是無法正常開花結果的。