October 28, 1852

 in Thoreau’s Journal:

4 months of the green leaf make all our summer, if I reckon from June 1st to Oct 1st—the growing season & methinks there are about 4 months when the ground is white with snow That would leave two months for Spring & 2 for autumn. October the month of ripe or painted leaves—Nov. perchance the month of withered leaves.