Answer:

spring

1.bloom

2.birds

3.warmer

4.leaves

5.bees

6.butterflies

summer

1.hot

2.days

3.sunglasses

4.beach

5.ice cream

6.ripen

autumn

1.falling

2.migrate

3.crops

4.rainy

5.sweep

6.umbrella

winter

1.snow

2.gloves

3.cold

4.snowmen

5.nights

6.snowflakes