New Zealand has ten main wine growing regions, each displaying a great diversity in climate and terrain. Differences in climate may be illustrated by the variation in the harvesting date of Chardonnay. In the warmer and more humid northern regions of Northland, Auckland and Gisborne, Chardonnay might begin to be harvested in late February or early March while in Central Otago, the world's most southerly Chardonnay grapes may first be picked in mid to late April - a difference of 6-7 weeks.