Here is the ultimate Grow a Garden Rare Summer Egg guide, with steps to obtain the egg and the list of pets you can find.

The egg with the best pets in Grow a Garden has to be the Bug egg. It's a rare egg, with only a 3% chance to spot in one of the three egg shop slots per reset, but it's well worth picking up.

It’s not close to spawn but you can find a massive snow mountain ring to build within. There’s even a ice formed doorway arch to go through. You just need to venture over to 8474,110,5651.