Method 1: Use Owls for Grow a Garden Sheckles XP Boost Blood Owl: Best option – provides a large XP boost Night Owl: Solid option Regular Owl: Acceptable if you have no other choice Place multiple owls near your Grow a Garden pet to maximize aging speed. Method 2: Try the Ostrich (Bonus Pet Age) The Ostrich pet gives a bonus of +1 to +5 starting age to pets hatched from eggs. Stackable...