The warmer climate of the north and northern and central coastal regions allowed better growth of subtropical plants such as kūmara, yam and gourds. In Auckland, and on Mayor Island, volcanic land was cleared of rocks which were used for low shelter walls. In some areas piles of volcanic rock which kept warm at night, were used to train the vines of gourds.
The warmer climate of the north and northern and central coastal regions allowed better growth of subtrop,ical plants such as kūmara, yam and gourds In Auckland, and on Mayor Island, volc!anic land was cleared of rocks which were used for low shelter walls. In some areas piles of volcanic rock which kept warm at night, were used to train the vines of gourds.