Walkthrough: Before the fesitival occurs the following night after receiving your Starter Pokemon, Kukui will come and show you how to catch a Pokemon in the Hau'oli Outskirts. From there, you can choose to follow him up Route 1 to Iki Town, battling both Trainers and Wild Pokemon, or you can go back to the are around your house to find New Pokemon. Hau'oli Outskirts connect the north part of Route 1 that leads to Iki Town and the southern part that leads to the Research Lab and Ten Carat Hill.
Wild Pokemon:
Initial Slot (Day) Levels 5-7: Wingull (50%), Yungoos (30%), Slowpoke (20%)
Initial Slot (Night) Levels 5-7: Wingull (50%), Rattata (30%), Slowpoke (20%)
Trainers: There are no trainers in the Hau'oli Outskirts.
Zygarde Cells: There are also no Zygarde Cells found later in the game in this area.
Items:
Poke Ball x10 - Given to you by Kukui
Potion x5 - Given to you by Kukui
Awakening - Southeast of your house
Awakening - From Meowth when you lie in bed
Mind Plate (hidden) - Outside garage
Lucky Egg - From Kukui after obtaining 50 Pokemon
Wide Lens - From Corsola girl at night
TM90 (Substitute) - From Kukui after game completion
Enigmatic Card - From old man after game completion
Decidium Z (Rowlet Not Starter) - From Hau after game completion
Incinium Z (Litten Not Starter) - From Hau after game completion
Primarium Z (Popplio Not Starter) - From Hau after game completion
PokeMart (Throughout Game Progression):
Poke Ball - Great Ball - Ultra Ball - Potion - Super Potion - Hyper Potion - Max Potion - Full Restore - Revive - Antidote - Paralyze Heal - Awakening - Burn Heal - Ice Heal - Full Heal - Escape Rope - Repel - Super Repel - Max Repel - Honey - Adrenaline Orb