Each season features several unique rewards. In the Winter Season, you can obtain the following rewards if you have a Gold Pass:
Winter Grill (Level 20)

The Winter Grill allows you to exchange food for 25 Diamonds. The amount needed depends on the kind of food you use.
You can use this item 30 times. After that, it turns into a decoration.
Festive Arch (Level 45)

The Festive Arch allows you to claim 5 Cow Feed and 15 Chicken Feed every two days.
The reward can be claimed only 30 times, after which the Festive Arch becomes a decoration.
Winter Gazebo (Level 70)

The Winter Gazebo lets you convert food into Energy:
- Fruit Salad → 20 Energy
- Pancakes with Syrup → 35 Energy
- Stew → 100 Energy
The Winter Gazebo can be used 30 times before turning into a decoration.
All players can also receive this special seasonal reward:
Hot Tub (Level 70)

In the Hot Tub, you can place plants from the Heart of the Garden to produce Incense.
You can use this item 30 times. After that, it turns into a decoration.