National Avocado Day is celebrated on July 31st, coinciding with the peak of the avocado season in California, where the fruit is primarily grown in the United States. This day honors the avocado, a nutrient-rich fruit that is versatile in culinary uses, from being a healthy snack to an ingredient in various dishes such as salads, smoothies, and baked goods. Common customs for celebrating include eating avocados in different recipes, making avocado-based cocktails, and even creating avocado face masks for skincare. The day aims to promote the enjoyment and appreciation of avocados, which have gained popularity over the years due to creative marketing and education about their benefits. Avocados are classified as fruits, specifically berries, and can be ripened naturally or with the help of other fruits.