Ma Termunten, Groningen, Netherlands, HZPC nā mea kanu e hoʻokaʻawale i ka ʻuala Colomba, i koho ʻia no nā mākeke like ʻole me Italia, Croatia a me Bosnia. Ua kaulana ʻo Colomba, kahi ʻano ʻokoʻa mai ka HZPC, no kona helehelena ʻōlinolino a me kona ʻano velvety. Me ka hoʻomaka ʻana o ka tuberization a me ka oʻo wikiwiki ʻana, holo wikiwiki ʻo Colomba i nā hale kūʻai kūʻai, e hōʻoia ana i ka hou a me ka maikaʻi no nā mea kūʻai aku ma ʻEulopa Hema a ma waho.