in Thoreau’s Journal:

A man must attend to nature closely for many years to know when, as well as where, to look for his objects, since he must always anticipate her a little….

I would know when in the year to expect certain thoughts and moods….

September 24, 1855 in Thoreau’s Journal: 

The button bushes pretty well browned with frost (though the maples are but just beginning to blush), their pale yellowish season past.