Seasonal words

Seasonal words are words that let the reader know when your haiku takes place. Some examples are...

Winter: Snow, cold, freezing, Christmas, frost, there are more

Spring: Robin, warm, blooming, bugs, melting (snow), fresh and so forth

Summer: hot, sweltering, swimming, meadows, shade, and on and on

Fall or Autumn: harvest, moon (harvest moon), colorful leaves

I'm sure you can think of many more