Plant bulbs for early flowers next year.
Remove leaves from the grass, but leave them alone elsewhere unless it are leaves from the willow.
When you want to mow the grass, do it for the last time of the year and at a height of 4 to 5 cm's. Remove all mowed grass. If you don't it will rot and cause the underlayer to go brown.
When you want to cut trees and shrubs read good information first, because some needs to be left alone uintill spring.