Avocado as a diminutive in Australian English, a clipped form, "avo", has since become a common colloquialism in South Africa and the United Kingdom. It is known as "butter fruit" in parts of India and goes by the name "bơ" [ɓɘː] in Vietnamese, which is the same word that is used for butter. In eastern China, it is known as "è lí" ("alligator pear") or "niú yóu guǒ" ("butter fruit"). In Taiwan, it is known as "luò lí" or "cheese pear". The subtropical species needs a climate without frost and with little wind. High winds reduce the humidity, dehydrate the flowers,
Pear skin on Bartlett pears changes from green to yellow as they ripen, most varieties show little color change as they ripen. Because pears ripen from the inside out, the best way to judge ripeness is to "check the neck": apply gentle thumb pressure to the neck or stem end of the pear. If it yields to gentle pressure, then the pear is ripe, sweet, and juicy. If it is firm, leave the pear at room temperature and check the neck daily for ripeness. The culinary or cooking pear is green but dry and hard, and only edible after several hours