Acacia trees are some of the first trees to bloom on the San Francisco penninsula. I have seen them begin to bloom as early as January 4th and as late as the end of February. They remind me of something Dr Seuss might draw. I have a friend that calls them "Alien space pod flowers."
If you ave an acacia tree growing in your yard, try picking bunches of these flowers and steeping them in a tub of hot water. it makes a lovely bath. Some varieties grow 50 feet or more and cever themselves in a dense, yellow fluff. A hillside covered in a grove of acacias becomes an earthbound cloud of yellow